Jonathan Gerrish, 45, Ellen Chung, 31, and their 1-year-old daughter, Miju all died in the 100F California heat, the investigation found two months after the incident occurred August 15. Gerrish worked for Google and had recently started a job at Snapchat, according to Steve Jeffe, a family . New details show the family made desperate . The family, Ellen Chung, 31, Jonathan Gerrish, 45, along with their one-year-old daughter, Miju, and dog, Oski, set out to hike at the Hites Cove Loop trailhead in a remote area of the Sierra . The British Snapchat engineer who died with his family in 100F heat on a California hiking trail reportedly sent a desperate final text for help, but poor network meant the message didn't go through.. 45-year-old Jonathan Gerrish, his wife Ellen Chung, 31, their one-year-old daughter Aurelia 'Miju' Chung-Gerrish, and dog Oski were found dead on a hiking trail near the Merced River in August 2021. A BRIT Google engineer, his wife and their baby daughter may have been killed by carbon monoxide on remote hike, officials have said. Last month cops confirmed that Jonathon, who was originally from Lancashire and had worked for Google and Snapchat, . . After a two-month effort to find out what killed Jonathan Gerrish, Ellen Chung, their 1-year-old daughter, Miju, and their dog, investigators pointed to 109-degree heat and a lack of water. . Jonathan and Ellen traded their lives in San Francisco for the small community of Mariposa in March 2020, after the COVID-19 pandemic struck. Jonathan Gerrish, 45, his wife Ellen Chung, 31, their one-year-old daughter Aurelia 'Miju' Chung-Gerrish, and their dog Oski were found . Jonathan Gerrish, 45, Ellen Chung, 31, and their 1-year-old daughter, Miju, and dog, Oski, all died in the 100F heat, investigators had concluded after the tragic family was discovered in August. Mariposa County authorities believe Ellen Chung, 31, Jonathan Gerrish, 45, their 1-year-old daughter Miju and dog Oski went on an Aug. 15 hike on the Hites Cove Trail loop before perishing as a . The family were from Mariposa, CA and the last communication was a photo of a baby hiking backpack posted at 6.45am on Sunday morning. Ms Chung, 30, a family therapist, was born and raised in California. Gerrish was a software engineer at Snapchat, reported the Bee; Chung was in graduate school to become a family and marriage therapist. Gerrish worked at Snapchat, and Chung was working toward a master's degree in family therapy, he said. Gerrish was a Snapchat employee. . Mr Gerrish is a software program developer for Snapchat, experienced beforehand labored for . A family of three found dead near a remote hiking . . . Jonathan Gerrish, 45, and his wife Ellen Chung, 31, . Gerrish worked at Snapchat, and Chung was working toward a master's degree in family therapy, he said. Gerrish was a software developer for Snapchat and had previously worked for Google. However, poor cell reception meant the message never went through. Jonathan Gerrish, Ellen Chung, their 1-year-old daughter, Miju, and the family dog, Oski, were all found dead on Aug. 17. . Jonathan Gerrish, 45, his wife Ellen Chung, 31, and their one-year-old daughter Muji, were found by search teams on Tuesday in a remote area of the Sierra National Forest in California known as Devil's Gulch. Experienced hikers Jonathan Gerrish and Ellen Chung, along with their 1-year-old daughter, Miju, all died on a remote trail near Hite's Cove in August. Jonathan Gerrish, 44, from Lancashire, his wife Ellen Chung, 31, their one-year-old daughter Muji and dog Oksi were all found dead in a remote area of the Sierra National Forest last Tuesday . The cause of death for Jonathan Gerrish, Ellen Chung and their 1-year-old daughter, Miju, was hyperthermia with possible dehydration due to environmental exposure, Mariposa County Sheriff Jeremy Briese said at a news conference Thursday. Mariposa County Sheriff Jeremy Briese shared the news during a press conference Thursday, more than two months after Jonathan Gerrish, 45; his wife, Ellen Chung, 30; their one-year-old daughter . When they lived in San Francisco, the couple . Their dog died as . Jonathan Gerrish, Ellen Chung, their 1-year-old daughter, Miju, and the family dog, Oski, were all found dead on Aug. 17. . The bodies of Jonathan Gerrish, Ellen Chung, their 1-year-old daughter, Miju, and the family dog, Oksi, were found by search and rescue workers Tuesday in a remote area of the Sierra National . The bodies of Jonathan Gerrish, 45, his spouse Ellen Chung and their daughter Muji - together with their canine Oski - ended up discovered by research groups on Tuesday in an area of the Sierra Countrywide Forest recognised as Devil's Gulch. Most recently, he had worked for Snapchat, according to Mr. Jeffe. The cause of death for Jonathan Gerrish, Ellen Chung and their 1-year-old daughter, Miju, was hyperthermia with possible dehydration due to environmental exposure, Mariposa County Sheriff Jeremy . Their deaths are now being investigated over a possible lightning strike being the cause. Jonathan Gerrish's uncle said today their deaths were "heartbreaking" and that it was a "difficult time" for grieving relatives. Baffled cops hope the phone could offer clues about how Jonathan Gerrish, his wife Ellen Chung, their daughter Muji, and dog Oksi died. Jonathan Gerrish, 45, his wife Ellen Chung, 31, their baby Aurelia, and their dog Oski were found dead on a hiking trail near the Merced River . Jonathan Gerrish, 45, his wife Ellen Chung, 31, and their one-year-old daughter Muji, were found by search teams on Tuesday in a remote area of the Sierra National Forest in California known as Devil's Gulch. Gerrish was a Snapchat employee. The cause of death for Jonathan Gerrish, Ellen Chung and their 1-year-old daughter, Miju, found dead on a hiking trail near Yosemite National Park in August, was hyperthermia with possible . Jonathan Gerrish, from Lancaster, worked as a software engineer for Snapchat and Google in San Francisco where he met Ellen Chung, before the couple moved to the small town of Mariposa in 2020. Mariposa County authorities believe Ellen Chung, 31, Jonathan Gerrish, 45, their 1-year-old daughter Miju and dog Oski went on an Aug. 15 hike on the Hites Cove Trail loop before perishing as a . . He described British software engineer Mr Gerrish, who has worked for SnapChat and Google, and family therapy graduate student and yoga instructor Ms Chung, as . Jonathan Gerrish, 45, his wife, Ellen Chung, their one-year-old daughter, Muji and the family's dog, Oski, were found dead in the Sierra National Forest, California, on August 17. Gerrish was a software developer for Snapchat and had previously worked for Google. Mr Gerrish, 45, was originally from Lancaster and had moved to California to work for Google and Snapchat in Silicon Valley. RIP Jonathan Gerrish (Snap, ex-Google) Heard the tragic news that he, his wife, and his daughter had mysteriously passed away while out hiking. Jonathan Gerrish, 45, his wife, Ellen Chung, their one-year-old daughter, Muji and the family's dog, Oski . Jonathan, who was originally from Lancashire and had worked for Google and Snapchat, was out on Sunday with his family for what was . Ellen Chung and her partner Jonathan Gerrish were recently reported missing along with their baby Aurelia Miju and the family dog Oski. Jonathan, who was originally from Lancashire and had worked for Google and Snapchat, was out on Sunday with his family for what was . Jonathan Gerrish (Image: supplied). . On August 15, Jonathan Gerrish, Ellen Chung, their one-year-old daughter, Miju, and their dog, Oski, set out on a day hike in the Sierra National Forest, according to the Mariposa County Sheriff's Office. . On August 17, search and rescue teams discovered the bodies of Jonathan Gerrish, 45, his wife, Ellen Chung, 30, their one-year-old daughter, Muji, and the family dog, Oksi, on the Savage Lundy Trail. They had one daughter. He had previously worked for Google, and was working for Snapchat at the time of his death. He graduated . The bodies of Jonathan Gerrish, Ellen Chung and their 1-year-old daughter were found by the Mariposa County Sheriff's Office on Tuesday after going for a hike Sunday. Roger Gerrish, speaking from his home in Carlton, Nottinghamshire, added: "The authorities are being brilliant and keeping us informed." A distraught-looking Mr Gerrish - the brother of Jonathan's dad - declined to be drawn into the possible cause . View the profiles of professionals named "Jonathan Gerrish" on LinkedIn. The report concludes that the couple likely died trying to save their baby daughter Miju in the extreme heat, and were unprepared for the demanding hiking trail. The British Snapchat engineer who died with his family in 100F heat on a California hiking trail reportedly sent a desperate final text for help, but poor network meant the message didn't go through.. 45-year-old Jonathan Gerrish, his wife Ellen Chung, 31, their one-year-old daughter Aurelia 'Miju' Chung-Gerrish, and dog Oski were found dead on a hiking trail near the Merced River in August 2021. Most recently, he had worked for Snapchat, according to Mr. Jeffe. Ellen Chung, Jonathan Gerrish Jonathan Gerrish was a British man married to an Asian-American woman named Ellen Chung. He graduated from Newcastle University. A British Snapchat engineer sent a desperate last . Both were avid outdoor types, and the day they chose to go hiking in Devil's Gulch Valley started out fairly . More than six weeks later, authorities still don't know what killed Jonathan Gerrish, Ellen Chung, daughter Muji and their dog on a California hiking trail, but they now know it was not any kind of weapon, cyanide, suicide or lightning strike . He graduated from Newcastle University. The bodies of Jonathan Gerrish, 45, his wife Ellen Chung and their daughter Muji - along with their dog Oski - were found by search teams on Tuesday in an area of the Sierra National Forest known as Devil's Gulch. As San Francisco Patch previously reported, Jonathan Gerrish, 45, Ellen Chung, 30, and their 1-year-old daughter, Miju, all died while hiking a trail near Hite's Cove on Aug. 17. Jonathan Gerrish giving a talk on Android apps for Google (YouTube screenshot) On August 17, 2021, an entire family was found dead along a hiking trail in California . Jonathan Gerrish, 45, his wife Ellen Chung, 31, and their one-year-old daughter Muji, were found by search teams on Tuesday in an area of the Sierra National Forest known as Devil's Gulch. Jonathan Gerrish, 45, with his wife Ellen Chung, 30, their one-year-old daughter Miju and their dog died in a remote area of the Sierra national forest in California. A British Snapchat engineer who was found dead with his wife, baby and dog on a remote California hiking trail may have 'been struck by lightning'. The bodies of Jonathan Gerrish, Ellen Chung and their 1-year-old daughter were found by the Mariposa County Sheriff's Office on Tuesday after going for a hike Sunday. Gerrish was a software developer for Snapchat and had previously worked for Google. Gerrish, who was originally from England, worked as a software engineer for Snapchat. A new investigative report reveals the agonizing ordeal of a California couple who died on a hiking trail in Mariposa County along with their one-year-old baby and dog last year. . Gerrish, a Snapchat engineer, the baby and the dog were found dead in one area of the trial, but Chung, a yoga instructor and graduate student, was . A British Snapchat engineer sent a desperate last text to his family before he and they died in 100F heat on a California hiking trail. The bodies of Jonathan Gerrish, 45, his wife, Ellen Chung, 31, their 1-year-old daughter Muji and their pet pooch were discovered this week without any apparent signs of trauma or obvious cause of . . He was originally from Lancaster, Lancashire, England, United Kingdom. They were near an isolated . Jonathan Gerrish, 45, his wife Ellen Chung, 31, and their one-year-old daughter Muji, were found by search teams on Tuesday, August 17 in an area of the Sierra National . The cause of death for Jonathan Gerrish, Ellen Chung and their 1-year-old daughter, Miju, found dead on a hiking trail near Yosemite National Park in August, was hyperthermia with possible . Mr Gerrish had recently moved to the area from San Francisco hoping to raise their daughter in "a quiet, slow-paced environment, surrounded by open-air and close to the mountains for hiking and camping adventures". Jonathan Gerrish, Ellen Chung, their 1-year-old daughter and the family dog were found dead near a remote hiking trail in Northern California. Jonathan Gerrish. The bodies of Jonathan Gerrish, Ellen Chung, their 1-year-old daughter, Miju, and the family dog, Oksi, were found by search and rescue workers Tuesday in a remote area of the Sierra National . Gerrish originally was from England and previously was a software engineer for Google but worked for SnapChat. There are 7 professionals named "Jonathan Gerrish", who use LinkedIn to exchange information, ideas, and opportunities. Estimated temperatures were 74 to 76 degrees Fahrenheit at the parking area where they left their car and set off on foot. The family were all found dead by search teams in a remote . Jonathan, who was originally from Lancashire and had worked for Google and Snapchat, was out last Sunday with his family for what was supposed to be a day hike. Jonathan Gerrish, 45, Ellen Chung, . Pic: Instagram. Advertisement When they lived in San Francisco, the couple enjoyed DJing and going to clubs . As previously reported by Oxygen.com Jonathan Gerrish, 45, Ellen Chung, 31, and their baby died from hyperthermia and possibly dehydration while hiking in an area of the Sierra National Forest. Ms . However, poor cell reception meant the message never went through. . The deceased members were identified as Jonathan Gerrish, his wife Ellen Chung, their one-year-old daughter Miju, and their family dog Oski. A British Snapchat engineer who was found dead with his wife, baby and dog on a remote California hiking trail may have 'been struck by lightning'. Jonathan Gerrish, Ellen Chung and their one-year-old daughter Miju were found on Tuesday evening in a remote area of the Sierra National Forest. Other dismissed theories included a leak that originated from abandoned gold mines that are common in the Gold Rush region. Jonathan Gerrish, 45, Ellen Chung, . . . He worked at Snapchat, and she was a former yoga instructor studying for her masters in counselling psychology. Gerrish was a software engineer at Snapchat, reported the Sacramento Bee; Chung was in graduate school to become a family and marriage therapist. A British Snapchat engineer sent a desperate last text to his family before he and they died in 100F heat on a California hiking trail. Snapchat engineer Jonathan Gerrish, 45, his wife, Ellen Chung, their one year-old daughter, Muji and the family's dog, Oski, were discovered dead in Sierra National Forest on August 17. . Ms . The mysterious deaths of a British-born software engineer and his family are now being treated as homicide by police who say they have "never seen a case like this before". Here are 13 more things about him:. Before relocating to Mariposa, both were avid concert and . Jonathan Gerrish, 45, . Gerrish, 45, Chung, 30, and their daughter and dog were discovered after a family friend had reported them missing on Aug. 16. Jonathan, who was originally from Lancashire and had worked for Google and Snapchat, was out on Sunday with his family for what was supposed to be a day hike. The two . Sending my condolences. The cause of death for Jonathan Gerrish, Ellen Chung and their 1-year-old daughter, Miju, was hyperthermia with possible dehydration due to environmental exposure, Mariposa County Sheriff Jeremy . What killed John Gerrish and Ellen Chung? Chung originally was from Orange in Southern California and . As previously reported by Oxygen.com Jonathan Gerrish . Jonathan Gerrish, 45, his wife Ellen Chung, 31, their one-year-old daughter Aurelia 'Miju' Chung-Gerrish, and their dog Oski were found . The Marisopa County Sheriff's Office is now ruling out homicide in the hiking trail deaths, Fox News reports. Miju's babysitter had alerted family members that Gerrish and Chung . Jonathan Gerrish, 45, Ellen Chung, 31, and their 1-year-old daughter, Miju, and dog, Oski, all died in the 100F heat, investigators had concluded after the tragic family was discovered in August.