List of 11 ancestors found in 30 iterations (11 distinct persons and 11 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Marie de Strepy de Harchies (1195-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Baudouin d'Estrepy (~1170-)
3Ide ? (~1180-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Alard de Harchies (~1140-)
5Clémence de Ribecourt (~1142-)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
8Alard d'Estrepy (~1110-)
9Hildetrude d'Audregnies (~1112-)
10Robert de Ribecourt (~1112-)
11Agnès de Wambaix (~1114-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Alard d'Estrepy (~1080-)
17Gerburge ? (~1082-)