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)
1Béatrice de Houdain (~1157-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Hugues Ier de Houdain (~1127-04/1174)
3Mathilde de Béthune (~1155-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Robert V le Roux de Béthune (~1130-24/01/1191)
7Adélaïde de Saint Pol de Campdavène (~1135-~1190)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
14Hugues III de Saint Pol (~1090-1141)
15Marguerite de Clermont en Beauvaisis (1108-1157)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
30Renaud II de Clermont en Beauvaisis (25/01/1081-16/12/1152)
31Adélaide de Vermandois (1062-23/09/1120)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
60Hugues Ier de Clermont en Beauvaisis (1030-1102)
61Marguerite de Roucy (1045-1102)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
122Hilduin IV de Montdidier (0995-1063)
123Alix de Roucy (~1020-1062)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
244Hilduin III De Montdidier (~0970-1037)
245Lesceline d'Harcourt (0975-26/01/0998)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
488Hilduin II de Montdidier (~0951-0992)
489Helvide de Laon (~0940-)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
978Roger II de Laon (0902-0967)
979Gertrude de Chaumontois (~0920-)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1956Roger de Laon (~0867-0926)
1957Helvide de Frioul (0848-~0915)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
3914Saint Evrard de Frioul (0812-16/12/0866)
3915Gisèle de Francie (04/0821-01/07/0874)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
7830Louis Ier le Pieux de France (16/04/0778-20/06/0840)
7831Judith de Bavière (0805-19/04/0843)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
15660Charlemagne de France (02/04/0747-28/01/0814)
15661Hildegarde von Vintzgau (~0757-26/04/0783)