J. Roelen, Bockhefte 1, 1938, S. 9, 70
♥ = Vorfahren _____________________ | _____________________|_____________________ | Johann BOYMANS | _____________________ | x1719 | | | |_____________________|_____________________ | Gerhard BOYMANS | | (1725-....)x1760 | Adam ERBERICH > | | | (1628-1682)x1653 | | Gerhard SCHAFSBERG | Lucia SCHROIFF > | | | (1667-1708)x1688 (1631-1696) | | Katharina SCHAFSBERG | _____________________ | (1694-....)x1719 | | | | Elisabeth BREUER |_____________________ | (1668-1730)x1688 |--Gertrud BOYMANS | (1765-....)x1790 Abraham JANSSEN | | (1620-1695)x1645 | Peter JANSSEN | Elisabeth ANTHOINE | | (1650-1722)x1680 (1620-1695) | Abraham JANSSEN | | | (1682-1746)x1710 | Jakob FRANKEN > | | | | (1621-1685)x1654 | | | Helena FRANKEN | Katharina SCHROIFF > | | (1655-1739)x1680 (1620-1694) | Anna Margaretha JANSSEN | (1730-....)x1760 | Johannes BOCK > | | (1627-1706)x1650 | Konrad BOCK | Elisabeth ERFFENS > ♥ | | (1660-1730)x1688 (1630-1705) | Anna Katharina BOCK | (1688-1775)x1710 | Adam ERBERICH > | | (1628-1682)x1653 | Helena SCHAFSBERG | Lucia SCHROIFF > (1659-1723)x1688 (1631-1696)