List of 13 ancestors found in 40 iterations (13 distinct persons and 13 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Jean II de Croix (~1230-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Jean Ier de Croix (~1195-1269)
3Isabelle de Lannoy (~1210-)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Eustache de Mandre (~1155-1202)
5Mathilde de Croix (~1165-)
6Jean de Lannoy (~1180-)
7Blanche de Vermandois (~1180-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
12Hugues de Lannoy (~1140-)
13Richilde de Sainghin (~1150-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
24Gilbert de Lannoy (~1095-)
25Mahaut de Chien (~1110-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
48Hugues de Lannoy (~1055-)
49? de Bouvines (~1067-)