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)
1Charles de Lannoy (1053-1109)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gauthier de Lannoy (1024-1079)
3Agnès de Wissocq (1035-1089)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Gaucher de Lannoy (0991-1039)
5Aédelis d'Halluin (1005-1049)
6Arthur II de Wissocq (~1001-1058)
7Constance de Berghes Saint-Winoch (~1009-1063)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
12Wauthier de Wissocq (~0976-1018)
13Clotilde d'Aire (~0985-)
14Gobert III de Berghes Saint Winoch (0980-1020)
15Avicie de Bourbourg (0994-1042)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
26Wallerand d'Aire (~0958-1019)
27Berthilde de Nédonchel (~0968-1018)
28Gobert II de Berghes Saint Winoch (0950-1005)
29Nelly de La Bredenaerde (0965-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
56Gerard de Berghes Saint Winoch (0920-0960)
57Marie d'Eperlecques (0930-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
112Evrard de Berghes Saint Winoch (0890-0943)
113Otte de Lempernesse (0903-0942)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
224Gobert Ier de Berghes Saint Winoch (0860-0918)
225Brebande de Steenland (~0862-0910)