Billy Brown, famous for raising his family in the wilderness on the Discovery reality-docuseries Alaskan Bush People, died of a seizure at 68 years old. “We are devastated to hear of Billy Brown’s sudden passing,” the Twitter account for Alaskan Bush People announced on Feb. 8. “He has been part of the @Discovery family for years – a trailblazer, a lovely man, and most definitely one of a kind. Our heart is with his family and those that knew him as they deal with this devastating loss.”