He abused his wife and kids. They died because he was such a shit father. Selfish. Drug addict.

[And that's why Ferran had been terrified when Zetta told him she was pregnant. Men, with few exceptions (like Riley and Deacon) are shit. And he's not one of the exceptions. He'd only been able to keep from bolting because he knew that Riley would be there and would be an amazing dad.]

Taffington Boat House.