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)
1Henri de Hornes (1359-1408)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Dirk de Hornes (~1320-1380)
3Catherine Berthout (1328-1380)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Gerhard de Hornes (~1270-03/05/1333)
5Ermengarde de Clèves (~1290-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Guillaume IV de Hornes (~1250-1304)
9Agnès Von Looz (1245-1292)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
18Arnold III von Looz (~1210-24/11/1272)
19Jeanne de Chiny (~1210-17/01/1271)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
38Louis IV de Chiny (~1172-11/10/1226)
39Mathilde d'Avesnes (~1171-05/11/1236)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
78Jacques Ier d'Avesnes-sur-Helpe (1151-07/09/1191)
79Alixe de Guise (1150-1208)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
156Nicolas d'Oisy (1120-1171)
157Mathilde de Namur (1097-10/09/1169)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
314Godefroy Ier de Namur (1066-19/08/1139)
315Mathilde de Limbourg (1085-01/01/1141)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
630Heinrich Ier von Limburg (1060-1119)
631Adélaïde von Pottenstein (1055-20/08/1106)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1260Walran II von Limburg (1030-1082)
1261Judith de Luxembourg (1040-1081)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2522Frédéric II de Luxembourg (1002-1065)
2523Gerberge de Boulogne (1015-1049)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
5046Eustache de Boulogne (~0995-1049)
5047Mahaut de Louvain (~0992-1059)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
10094Lambert Ier de Louvain (0965-12/09/1015)
10095Gerberge de Basse Lotharingie (0970-27/01/1018)