Nielsen Hayden genealogy
Katharina de Cysoing
1. Katharina de Cysoing (daughter of Johan III and Maria). Family/Spouse: Hendrik van Voorne. Hendrik (son of Dirk and Alveradis van Cuyck) died on 13 Mar 1259. [Group Sheet] [Family Chart]
Children:- Albrecht died in 1287.
2. Johan III (son of Jean II and Mabilia de Guines). Johan married Maria before Oct 1214. [Group Sheet] [Family Chart]
3. Maria Children:
Generation: 3
4. Jean II (son of Jean I and Petronille d'Avesnes). Jean married Mabilia de Guines. [Group Sheet] [Family Chart]
5. Mabilia de Guines (daughter of Baudoin II de Guines and Christine de Marck). Children:
- 2. Johan III
Generation: 4
8. Jean I (son of Ingelbert IV and (Unknown) van Aalst); died before 1154. Jean married Petronille d'Avesnes. [Group Sheet] [Family Chart]
9. Petronille d'Avesnes (daughter of Wautier I d'Oisy and Ida de Mortagne). Children:
10. Baudoin II de Guines was born about 1135 (son of Arnould and Mahaut de Saint Omer); died on 2 Jan 1205. Baudoin married Christine de Marck. Christine (daughter of Arnould IV de Marck and Adélide d'Ardres) was born about 1140; died on 2 Jun 1177. [Group Sheet] [Family Chart]
11. Christine de Marck was born about 1140 (daughter of Arnould IV de Marck and Adélide d'Ardres); died on 2 Jun 1177. Children:
- 5. Mabilia de Guines
- Arnould II was born about 1170; died in 1220.
Generation: 5
16. Ingelbert IV (son of Ingelbert III). Ingelbert married (Unknown) van Aalst. [Group Sheet] [Family Chart]
17. (Unknown) van Aalst Children:
- 8. Jean I died before 1154.
18. Wautier I d'Oisy (son of Fastré II d'Oisy and Richilde); died in 1147. Wautier married Ida de Mortagne. [Group Sheet] [Family Chart]
19. Ida de Mortagne (daughter of Everard I de Mortagne and Francka). Children:
- Nicholas d'Oisy died between 1169 and 1171.
- 9. Petronille d'Avesnes
20. Arnould was born after 1101 (son of Wenemar I and Gisèle de Guines); died in 1169 in England. Arnould married Mahaut de Saint Omer. [Group Sheet] [Family Chart]
21. Mahaut de Saint Omer (daughter of Guillaume II de Saint Omer and Millesende de Picquigny). Children:
- Adélide de Guines
- Beatrix de Guines
- 10. Baudoin II de Guines was born about 1135; died on 2 Jan 1205.
22. Arnould IV de Marck Arnould married Adélide d'Ardres. [Group Sheet] [Family Chart]
23. Adélide d'Ardres Children:
- 11. Christine de Marck was born about 1140; died on 2 Jun 1177.
Generation: 6
32. Ingelbert III (son of Ingelbert II of Peteghem and Glismode). Children:
- 16. Ingelbert IV
36. Fastré II d'Oisy (son of Fastré I d'Oisy and Ade d'Avesnes); died after 1111. Fastré married Richilde. [Group Sheet] [Family Chart]
37. Richilde Children:
- 18. Wautier I d'Oisy died in 1147.
38. Everard I de Mortagne (son of Alard I de Peteghem). Everard married Francka. [Group Sheet] [Family Chart]
39. Francka Children:
40. Wenemar I Wenemar married Gisèle de Guines about 1101. [Group Sheet] [Family Chart]
41. Gisèle de Guines (daughter of Baudouin I de Guines and Adèle). Children:
42. Guillaume II de Saint Omer (son of Guillaime I and Aganitrude van Brugge). Guillaume married Millesende de Picquigny. [Group Sheet] [Family Chart]
43. Millesende de Picquigny (daughter of Arnould de Picquigny). Children: