A. Blömer, Die reformierte Familie Euskirchen zu Wickrath, Mönchengladbach 1986, S. 10 f. („Eßer“)
__ | Paulus ESSERS |__ | (1575-1643)x1605 Wilhelm ESSERS | __ | (1605-1657)x1630 | | | | N. |__ | x1605 Paulus ESSERS | __ | (1638-1692)x1665 | | | | _____________________|__ | | | | | N. | __ | x1630 | | | |_____________________|__ |--Johannes ESSERS | (1681-1719)x1710 __ | | | Johannes ÄHLERS |__ | | (....-1637)x1605 | Heinrich ÄHLERS | __ | | (1605-1660)x1630 | | | | | Adelheid |__ | | x1605 | Sibylla ÄHLERS | __ (1638-1693)x1665 | | | Christian SCHRÖERS |__ | | (1581-1641)x1610 | Gertrud SCHRÖERS | __ (1610-1669)x1630 | | | Sophia STEINS |__ (1581-1641)x1610