List of 11 ancestors found in 30 iterations (11 distinct persons and 11 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Hildouin III de Ponthieu de Montdidier (0928-1009)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Guillaume de Ponthieu (~0915-0980)
3Alliette de Normandie (~0908-0932)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Herluin II de Ponthieu (~0890-13/08/0945)
5Hérissende d'Arcis de Dammartin (0874-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Helgaud III de Ponthieu (0860-0926)
9Hersende de Ramerupt (~0870-~0970)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Herluin de Ponthieu (~0830-0878)
17Hélissende de Ramerupt (~0835-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
32Helgaud de Ponthieu (~0805-0863)
33Berthe de Ponthieu (~0805-0863)