A. Blömer, Die Fabrikantenfamilie Busch in Mönchengladbach, Mönchengladbach 1995, S. 59
_____________________ | ________________________|_____________________ | Michael ELSENBRUCH | _____________________ | x1626 | | | |________________________|_____________________ | Christian ELSENBRUCH | _____________________ | (1628-....)x1651 | | | | ________________________|_____________________ | | | | | Eva ELSENBRUCH | _____________________ | x1626 | | | |________________________|_____________________ |--Irmgard ELSENBRUCH | (1658-....)x1682 _____________________ | | | Peter BIRNBAUM |_____________________ | | | Matthias BIRNBAUM | | | | Görd auf der BEECK | | | | | | | Barbara auf der BEECK | Gudula | | | Barbara BIRNBAUM | _____________________ x1651 | | | ________________________|_____________________ | | | Gertrud KNOX | _____________________ (....-1652) | | |________________________|_____________________