What a poorly written story. There’s hardly a scintilla of information. “Family tragedy” could mean anything. Losing a child to a car accident can be described the same way as having somebody walk in with a Mac and hose the place down with 9mm. Both would be a “family tragedy.”
He, his wife and one of his daughters were found dead in their home, apparently killed by shotgun blasts - he supposedly killed them and then killed himself. One of the other daughters found them.