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)
1Alard II de Peteghem (~1069-1118)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Conon de Peteghem (~1039-)
3Hazecca ? (~1041-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Alard I de Peteghem (1030-1067)
5Alix de Flandre (~1030-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Baudouin VI de Flandre (1030-17/07/1070)
11Richilde de Hainaut (1027-15/03/1086)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Baudouin V le Pieux de Flandre (1012-13/09/1067)
21Adélaïde de France (1009-14/01/1079)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
42Robert II le Pieux de France (27/03/0972-20/07/1031)
43Constance d'Arles de Provence (0987-25/07/1034)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
86Guillaume Ier le Libérateur d'Arles de Provence (0955-29/08/0993)
87Alix La Blanche d'Anjou (0929-29/05/1026)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
172Boson II de Provence (0910-0968)
173Constance de Vienne (0935-)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
346Charles de Vienne de Provence (0901-23/06/0962)
347Theutberge de Sens (0905-09/01/0965)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
694Garnier de Sens (0880-16/12/0929)
695Teutberga de Toscane (0890-09/0948)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1390Thibaud Ier Le Riche d'Arles (~0860-0895)
1391Berthe des Francs (0866-23/03/0925)