List of 15 ancestors found in 40 iterations (15 distinct persons and 15 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Anthime de Bours (~1174-1227)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Pasquet de Bours (1125-1188)
3Michèle de Nédonchel (1153-1199)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Louis de Bours (~1100-~1154)
5Jeanne de Rollancourt (~1105-~1159)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Robert de Bours (1079-1124)
9Berthe de Bournonville (1083-1132)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Hugues de Bours (1056-1108)
17Marthe de Ponthieu (1062-1109)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
34Guy Ier de Ponthieu (~1035-1100)
35Ade d'Amiens (~1050-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
68Hughes II de Ponthieu (~1014-20/11/1052)
69Berthe d'Aumale (~1015-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
138Guérinfrid d'Aumale (~0990-)
139Jeanne de Saint Valery (~0998-~1044)