List of 7 ancestors found in 40 iterations (7 distinct persons and 7 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Ferdinand d'Udekem (02/04/1720-03/06/1770)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Michel d'Udekem (30/09/1684-07/02/1761)
3Marguerite van Borlée (31/03/1683-31/01/1761)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Maximilien d'Udekem (1636-23/09/1703)
5Anne de Marotte (27/09/1657-29/01/1694)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Gérard d'Udekem (03/11/1605-01/03/1649)
9Jeanne de Nobili (~1626-)