Jeffrey (Galfrid) De Percy Lord of Semar

Jeffrey (Galfrid) De was born about 1235 in Of, Whitby, Yorkshire, England.  Jeffrey (Galfrid) De's father was William De Percy and his mother was Ellen Baliol. He had six brothers and a sister, named Ingelram De, Alan De, Henry De, Josceline De, Walter De, Geffrey De and Elena De.  He is the oldest of the eight children. He has four half-sisters named Joan De, Agnes De, Alice De and Anastasia.