List of 25 ancestors found in 30 iterations (23 distinct persons and 25 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Richard Ier de Gerberoy (1018-1078)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Richer de Gerberoy (0988-1041)
3Havoise de Breteuil (1002-1051)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Iton de Gerberoy (0952-1009)
5Hildéarde ? (~0960-)
6Hilduin de Breteuil (0972-30/05/1060)
7Emmeline du Puiset (0974-01/01/1046)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
12 (2)Hildouin III de Ponthieu de Montdidier (0928-1009)
13 (2)Hersende de Ramerupt (~0925-0988)
14Foucher Ier du Puiset (~0948-)
15Ermeline de Ramerupt (~0955-)
Generation 4 - 6 person(s) on 16 (6 distinct persons)
24Guillaume de Ponthieu (~0915-0980)
25Alliette de Normandie (~0908-0932)
26Helpuin d'Arcis sur Aube (~0900-)
27Hersinde ? (~0897-)
30 (2)Hildouin III de Ponthieu de Montdidier (0928-1009)
31 (2)Hersende de Ramerupt (~0925-0988)
Generation 5 - 2 person(s) on 32 (6 distinct persons)
48Herluin II de Ponthieu (~0890-13/08/0945)
49Hérissende d'Arcis de Dammartin (0874-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
96Helgaud III de Ponthieu (0860-0926)
97Hersende de Ramerupt (~0870-~0970)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
192Herluin de Ponthieu (~0830-0878)
193Hélissende de Ramerupt (~0835-)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
384Helgaud de Ponthieu (~0805-0863)
385Berthe de Ponthieu (~0805-0863)