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)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Hughes de Nédon (0985-1037)
5Marie de Lillers (0989-1038)
6Gaucher II de Therouanne (~0978-~1029)
7Jeanne de Colembert (~0988-~1037)
Generation 3 - 6 person(s) on 8 (6 distinct persons)