List of 9 ancestors found in 30 iterations (9 distinct persons and 9 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Jacques Ier de Thiant (1190-1274)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gérard Ier de Werchin (~1160-1246)
3Elkine de Werchin-Longueville (~1162-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Guillaume de Werchin (~1130-1219)
5Mahaut de Lalaing (~1160-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Gérard II de Forest (1137-1187)
11Adèlaïde de Râches (1139-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Gérard Ier de Forest et de Lalaing (1109-)
21Jeanne van Halewijn (1121-1172)