List of 27 ancestors found in 40 iterations (27 distinct persons and 27 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Bernard de Boufflers (~1168-~1225)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Wallerand de Boufflers (~1140-~1198)
3Mathilde de Boubers (~1148-~1188)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Gaucher II de Boufflers (~1105-~1169)
5Blandine de Crécy-en-Ponthieu (~1118-~1197)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Othon de Crécy-en-Ponthieu (~1078-~1134)
11Augusta de Cramont (~1090-~1141)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Alexandre II de Crécy-en-Ponthieu (~1049-~1099)
21Elisabeth de Bernâtre (~1058-~1109)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
40Alexandre Ier de Crécy-en-Ponthieu (~1015-~1084)
41Aélixe de Ponthieu (~1015-~1067)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
82Enguerrand Ier De Ponthieu (~0995-09/12/1046)
83Adélaïde de Gand (~0980-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
166Arnulf II de Hollande (~0950-18/09/0993)
167Luitegarde de Luxembourg (~0953-)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
334Siegfried de Luxembourg (0917-15/08/0998)
335Hedwige de Nordgau (0935-13/12/0992)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
670Hugues II de Nordgau (~0895-0940)
671Hildegarde de Ferrette (~0876-)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1342Lothaire II de Germanie (~0835-12/08/0875)
1343Waldrade de Wormsgau (0815-08/04/0879)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2684Lothaire Ier de Germanie (0795-29/09/0855)
2685Ermengarde de Tours (0804-20/05/0851)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
5368Louis Ier le Pieux de France (16/04/0778-20/06/0840)
5369Ermengarde de Hesbaye (0780-03/10/0818)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
10736Charlemagne de France (02/04/0747-28/01/0814)
10737Hildegarde von Vintzgau (~0757-26/04/0783)