'Sister Wives' actors Janelle and Kody Brown's son, Garrison, passed away at the age of 25.  

Janelle and Kody Brown's adult son, Garrison Brown, who appeared on "Sister Wives," was found dead at an Arizona house on Tuesday.  

Flagstaff police believe he committed suicide.  

Police said Garrison's younger brother Gabe met them at the home after a death report. 

Police stated the death was under investigation and showed no foul play.  

"Sister Wives," an 18-season TLC reality show, follows Kody Brown, his four wives, and their 18 children.   

Despite having six children and three grandchildren with Janelle, he claims estrangement.  

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