List of 21 ancestors found in 40 iterations (21 distinct persons and 21 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Louise de Rollancourt (~1150-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Jean Ier de Rollancourt (1108-01/01/1160)
3Marie de Créquy (1121-1168)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Hugues II de Rollancourt (05/09/1072-13/12/1125)
5Jeanne de Blingel (~1085-~1135)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Hugues II de Rollancourt (10/07/1040-)
9Berthe de Montcavrel (29/04/1052-05/06/1106)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
18Charles Godefroy de Montcavrel (22/06/1025-05/09/1078)
19Anne de Ponthieu (08/03/1034-15/12/1082)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
38Hughes II de Ponthieu (~1014-20/11/1052)
39Berthe d'Aumale (~1015-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
76Enguerrand Ier De Ponthieu (~0995-09/12/1046)
77Adélaïde de Gand (~0980-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
152Hugues Ier de Ponthieu (~0965-04/07/1000)
153Gisèle de France (~0968-~1002)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
306Hugues de France (0941-24/10/0996)
307Adélaïde d'Aquitaine (22/07/0952-09/07/1004)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
612Hugues Ier Le Grand de France (~0911-16/06/0956)
613Hathui de Saxe (0922-10/05/0965)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1224Robert Ier de France (15/08/0866-15/06/0923)
1225Béatrice de Vermandois (0880-0931)