Herbastus
1. Herbastus married on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
Generation: 2
2. Herfastus, Sire de Crepon 
(1.1)Sire married on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 3. Crepon, Gonnor de
- 4. Senfrie
- 5. de Crepon, Eva
- 6. Crepon, Herfast de
- 7. Crepon, Wevia de
- 3. Crepon, Gonnor de
Generation: 3
3. Crepon, Gonnor de (2.Sire2, 1.1)Gonnor married Richard, Duke of Normandy I of Normandy on Yes, date unknown. I (son of Longsword, Duke of Normandy William and Sprota) died in 996. [Group Sheet] [Family Chart]
Children:
- 8. Normandy, Beatrice of
- 9. Richard, Duke of Normandy II died on 28 Aug 1026.
- 10. Robert, Count ofEvreaux died in 1037.
- 8. Normandy, Beatrice of
4. Senfrie (2.Sire2, 1.1)Senfrie married on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 11. Josceline
- 11. Josceline
5. de Crepon, Eva (2.Sire2, 1.1)Eva married Turof, of Pontaudemar on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 12. Vielles, Humphrey (Seigneur) de was buried in Preaux Abbey.
- 13. Pontaudemer, Josceline
- 12. Vielles, Humphrey (Seigneur) de
6. Crepon, Herfast de (2.Sire2, 1.1)Herfast married on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 14. Crepon, Osbern de died in 1040.
- 14. Crepon, Osbern de
7. Crepon, Wevia de (2.Sire2, 1.1)Wevia married Giffard, Osborne Lord ofBolbec on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
Generation: 4
8. Normandy, Beatrice of (3.Gonnor3, 2.Sire2, 1.1)Beatrice married Warenne, Raoul ("Ralph") de on Yes, date unknown. Raoul (son of St-Martin, Gautier de and Gonnor Niece of Duchess) died in 1050. [Group Sheet] [Family Chart]
Children:
- 16. Warenne, William de died on 24 Jun 1088; was buried in Lewes, England.
- 16. Warenne, William de
9. Richard, Duke of Normandy II (3.Gonnor3, 2.Sire2, 1.1) died on 28 Aug 1026. II married Brittany, Judith of in 1000. Judith (daughter of Conan, Count of Rennes I and Anjou, Ermengarde of) was born in 982; died in 1017. [Group Sheet] [Family Chart]
Children:
- 17. Richard, Duke of Normandy III died on 6 Sep 1028.
- 18. Robert, Duke of Normandy I was born about 1008; died on 22 Jul 1035 in Bythinian Nicaea.
- 17. Richard, Duke of Normandy III
10. Robert, Count ofEvreaux (3.Gonnor3, 2.Sire2, 1.1) died in 1037. Family/Spouse: Herleve. Herleve died in 1040. [Group Sheet] [Family Chart]
Children:
11. Josceline (4.Senfrie3, 2.Sire2, 1.1)Josceline married Montgomery, Roger I de on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 20. Montgomery, Regent in Normandy Roger de died on 27 Jul 1094 in Shrewsbury, Shrops..
- 20. Montgomery, Regent in Normandy Roger de
12. Vielles, Humphrey (Seigneur) de (5.Eva3, 2.Sire2, 1.1) was buried in Preaux Abbey. Humphrey married Haie, Aubree de La on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 21. Bello-Mont, Roger de died in 1094.
- 21. Bello-Mont, Roger de
13. Pontaudemer, Josceline (5.Eva3, 2.Sire2, 1.1)Josceline married Montgomery, Hugh de in 994. [Group Sheet] [Family Chart]
Children:
14. Crepon, Osbern de (6.Herfast3, 2.Sire2, 1.1) died in 1040. Osbern married Aka Alberade de Bayeux?, Emma on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 23. Osbern, William Fitz died on 20 Feb 1071 in Bavenshoven, near Cassel.
- 23. Osbern, William Fitz
15. Bolebec, Osborne de II (7.Wevia3, 2.Sire2, 1.1)Osborne married Avelina on Yes, date unknown. [Group Sheet] [Family Chart]
Children:
- 24. Giffard, Walter died in 1085.
- 24. Giffard, Walter