Onfroi de Hauteville

Onfroi was born before 0965.  Onfroi's father was Tancred of Hauteville and his mother was Muriel. He had four brothers named William "Iron-Arm", Drogo, Godfrey and Serlo. 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.  He died in 1057.

They had two sons named Abagelard and Herman.