A. Blömer, Familien Seyben oder Sieben aus Beckrath, Mönchengladbach 1993, S. 29
__ | __|__ | ___________________| __ | | | | |__|__ | Johannes ROELEN | __ | (1560-1629)x1586 | | | | __|__ | | | | |___________________| __ | | | | |__|__ |--Helena ROELEN | (1600-....)x1621 __ | | | __|__ | | | Frank SCHLOTEN | __ | | (1535-1595)x1560 | | | | |__|__ | | | Anna ROELEN | __ (1568-1624)x1586 | | | __|__ | | | Helena ROELEN | __ (1540-1578)x1560 | | |__|__