Patrick married Ellen Lagan, daughter of Henry Lagan, on 25 Jun 1884 in Maghera Roman Catholic Parish Witnesses, Daniel O’Mullan, Ellen Walls.
They had one child:
Daniel “Dunany King of Formil” (9 Sep 1885-abt 1940) Christened Maghera RC Church
According to the marriage record of Patrick and Ellen, Patrick was a widower when he married Ellen.
I don't know the name of his 1st wife. As Patrick's father was Daniel he was likely to name his 1st son "Daniel" in the usual naming order; so perhaps "The King" was his only son.
Daniel died in Portstewart where he'd been living with a daughter.