A. Blömer, Die frühen Generationen der Kelzenberg-Jüchener Familie Keysers, Mönchengladbach 2010, S. 17
♥ = Vorfahren _________________________ | _______________________|_________________________ | Nikolaus KEYSER | _________________________ | (1645-1724)x1682 | | | |_______________________|_________________________ | Johann Albert KEYSER | _________________________ | (1686-....)x1719 | | | | Johannes KLOETERS |_________________________ | | | x1655 | | Katharina KLOETERS | | (1655-....)x1682 | Johann MUNDT | | | x1628 | | Sophia MUNDT | Güdgen WINTZEN | (1632-....)x1655 |--Margaretha KEYSER | (1721-....) _________________________ | | | Jelis BLUM |_________________________ | | (....-1686)x1659 | Gerhard BLUM | | | (1660-....)x1686 | Gerhard vom SCHADE > ♥ | | | | (1597-1642)x1624 | | | Katharina vom SCHADE |♥ Katharina von GUSTORFF> ♥ | | (1632-1686)x1659 (1598-1666) | Katharina BLUM | (1697-....)x1719 | ♥ Cornelius ZILLESSEN | | (1585-1655)x1612 | Adolf ZILLESSEN |♥ Sophia BIERMANN | | (1613-1688)x1638 (1590-1656) | Margaretha ZILLESSEN | _________________________ (1660-....)x1686 | | | Gertrud FOCKERTS |_________________________ (1620-1701)x1638