William de Percy, 1st Baron Percy
- 1096
Generation: 1
Generation: 3
Generation: 4
1. William de Percy, 1st Baron Percy (son of Geoffrey de Percy and Margaret); died 1096; was buried Mount Joy, Jerusalem, Israel. William — Emma de Porte. [Group Sheet]
Children:- Alan de Percy, 2nd Baron Percy was born Abt 1069; died Dec 1135.
2. Geoffrey de Percy was born Abt 1005 (son of Mainfred de Percy). Geoffrey — Margaret. [Group Sheet]
3. Margaret Children:
- 1. William de Percy, 1st Baron Percy died 1096; was buried Mount Joy, Jerusalem, Israel.
Generation: 3
4. Mainfred de Percy was born Abt 980 (son of Rollo Rolloson). Children:
- 2. Geoffrey de Percy was born Abt 1005.
Generation: 4
8. Rollo Rolloson was born Abt 945 (son of Rollo Thurstan Brico and Gerlotte de Blois). Children:
- 4. Mainfred de Percy was born Abt 980.