List of 23 ancestors found in 30 iterations (21 distinct persons and 23 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
Generation 4 - 6 person(s) on 16 (6 distinct persons)
16Guillaume de Ponthieu (~0915-0980)
17Alliette de Normandie (~0908-0932)
18Helpuin d'Arcis sur Aube (~0900-)
19Hersinde ? (~0897-)
22 (2)Hildouin III de Ponthieu de Montdidier (0928-1009)
23 (2)Hersende de Ramerupt (~0925-0988)
Generation 5 - 2 person(s) on 32 (6 distinct persons)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
Generation 8 - 2 person(s) on 256 (2 distinct persons)