A. Blömer, Familien Mehls aus Beckrath, Herrath und Venrath, Mönchengladbach 2000, S. 9
♥ = Vorfahren _____________________ | Gerhard BIEN |_____________________ | (1600-1661)x1628 Albert BIEN | | (1630-1706)x1659 | BLANKERTZ | | | x1600 | | Gertrud BLANKERTZ | N. | (1605-1661)x1628 Philipp BIEN | _____________________ | (1665-1738)x1706 | | | | ♥ Leonhard FLÖREN |_____________________ | | | (1583-1659)x1610 | | Elisabeth FLÖREN | _____________________ | (1630-....)x1659 | | | |♥ Katharina HECKER |_____________________ | (1590-1658)x1610 |--Albert BIEN | (1711-....) Johannes MEHLS | | (1580-1641)x1605 | Simon MEHLS | Gertrud SIMONS | | (1610-1667)x1632 (1585-1641) | Nikolaus MEHLS | _____________________ | | (1636-1678)x1667 | | | | | N. |_____________________ | | x1632 | Magdalena MEHLS | (1673-....)x1706 | Johannes ÄHLERS | | (....-1637)x1605 | Heinrich ÄHLERS | Adelheid | | (1605-1660)x1630 | Katharina ÄHLERS | (1644-1706)x1667 | Christian SCHRÖERS | | (1581-1641)x1610 | Gertrud SCHRÖERS | Sophia STEINS (1610-1669)x1630 (1581-1641)