William "Earl Of Arundel" D' Aubigny 1
- Born: Abt 1140, Of, Buckenham, Norfolk, England
- Marriage: Maud (Matilda) De Saint Hilary Abt 1174, Of, Arundel, Essex, England
- Died: 24 Dec 1193, about age 53
- Buried: Priory, Wymondham, Norfolk, England
Ancestral File Number: V9VQ-68.
William married Maud (Matilda) De Saint Hilary, daughter of James (Du Harcourt) De Saint Hilary (Hilaire) and Aveline, about 1174 in Of, Arundel, Essex, England. (Maud (Matilda) De Saint Hilary was born in 1132 in Of, Burkenham, Norfolk, England, died on 24 Dec 1193 in , , Norfolk, England and was buried in Priory Of Great Carbrooke, Norfolk, England.)