William (Lord Okehampton) Fitzgwilliam
- Yes, date unknown
Generation: 1
Generation: 3
Generation: 4
1. William (Lord Okehampton) Fitzgwilliam (son of Baldwin Fitzgilbert and Emma); and died.
2. Baldwin Fitzgilbert (son of Gislebert \Gilbert 'Crispin Count De Brienne and Gunnora D'aunou); died in 1090. Baldwin + Emma. and died. [Group Sheet] [Family Chart]
3. Emma and died. Children:
- Daughter Fitzgilbert and died.
- 1. William (Lord Okehampton) Fitzgwilliam and died.
- Robert Fitzwilliam died in 1101.
- Richard Fitzwilliam died in 1136.
- Adelise Fitzgwilliam died on 24 Aug 1142.
- Daughter B Fitzgilbert and died.
- Viger Fitzgilbert and died.
Generation: 3
4. Gislebert \Gilbert 'Crispin Count De Brienne (son of Godfrey Count of Brionne & Eu); died in 1040. Gislebert + Gunnora D'aunou. Gunnora and died. [Group Sheet] [Family Chart]
5. Gunnora D'aunou and died. Children:
- Richard Fitzgilbert De Clare was born in 1035; died in 1090.
- 2. Baldwin Fitzgilbert died in 1090.
- Baldwin (of Okehampton) De Brionne and died.
- Hesilia Crispin and died.
Generation: 4
8. Godfrey Count of Brionne & Eu was born about 990 (son of Richard I The Fearless 3rd Duke of Normandy and Gunnor of Grepon Denmark); died in 1015. Children:
- 4. Gislebert \Gilbert 'Crispin Count De Brienne died in 1040.
- Engilbert I Count De Brienne died after 968.
- Adela of Eu and died.