List of 27 ancestors found in 40 iterations (25 distinct persons and 27 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 - 2 person(s) on 4 (2 distinct persons)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
Generation 5 - 4 person(s) on 32 (4 distinct persons)
Generation 6 - 6 person(s) on 64 (6 distinct persons)
Generation 7 - 6 person(s) on 128 (4 distinct persons)
128 (2)Collart Lefebvre (1280-1367)
129 (2)? de Gastenoy (~1282-)
132 (2)Collart Lefebvre (1280-1367)
133 (2)? de Gastenoy (~1282-)
144Robert Le Berceur (~1340-)
145Catherine de Litchaire (~1342-)