A. Blömer, Ahnenliste Hans Wilhelm Coenen zu Jüchen, Mönchengladbach 1981, S. 35
A. Blömer, Ahnenliste der Johanna Margarethe Kottmann aus Wevelinghoven, Mönchengladbach 1986, S. 13
__ | ___________________|__ | Adam OTTEN | __ | x1615 | | | |___________________|__ | Werner OTTEN | __ | (1615-....)x1645 | | | | ___________________|__ | | | | | N. | __ | x1615 | | | |___________________|__ |--Magdalena OTTEN | (1651-1709)x1674 __ | | | Adam COENEN |__ | | (1550-1593)x1580 | Jakob COENEN | __ | | (1585-1657)x1615 | | | | | N. |__ | | x1580 | Magdalena COENEN | __ (1615-1683)x1645 | | | ___________________|__ | | | Katharina ARETZ | __ (1595-1672)x1615 | | |___________________|__