Noah’s post included an emotional tribute to his dad.

We plan to honor his legacy going forward, and to continue with his dream.

We ask for privacy and prayers during this painful time."

Billy Brown Alaskan Bush People

According toTMZ, Billy overcame a great deal of heartbreak in his life.

Billy grew up in Texas where he met his wife, Ami.

The pair moved to the Pacific Northwest and share seven children.

Billy Brown with his grandchild

Today, Billy’s family and his many fans mourn the unexpected death of the trailblazing adventurer.