Deputies went to check on the Reinhart family after concerning Facebook posts
On Tuesday, Paul Reinhart, 46, was found dead along with his two sons
Police report that Reinhart killed his two sons before setting his vacation home on fire and killing himself - it s not clear how he died
Erick Von Reinhart, 49, Paul s brother, pleaded guilty to second-degree murder after stabbing his ex-wife s boyfriend in Pasco County in 2014
Erick then tried to kill himself with the murder weapon, a kitchen knife
He was found on the bathroom floor, bleeding from self-inflicted stab wounds to his neck and stomach and is currently serving 40 years in prison