Serlo de Hauteville

Serlo's father was Tancred of Hauteville and his mother was Muriel. He had four brothers named Onfroi, William "Iron-Arm", Drogo and Godfrey. He had eight half-brothers and a half-sister, named Roger I, Robert I Guiscard, Aubrey or Alberic, Humbert (Hubert), Roger, Tancred, William, Mauger and Fressenda.