O. Schmemann, Beiträge zur Geschichte der Familie Schmemann, Essen 1903, S. 13
L. Gerstein, Ahnentafel der Familien Schmemann und Gerstein, Hagen 1934, S. 67
_________________________ | _______________________________|_________________________ | ________________________| _________________________ | | | | |_______________________________|_________________________ | Heinrich Georg RUHFUS | _________________________ | (1721-1805)x1756 | | | | _______________________________|_________________________ | | | | |________________________| _________________________ | | | | |_______________________________|_________________________ |--Heinrich Arnold RUHFUS | (1774-1833)x1796 Joachim REES > | | (1641-1727)x1665 | Ludwig REES | Gertrud von LÜNEN > | | (1672-1726)x1699 (1639-1716) | Johann Joachim REES | | | (1707-....)x1732 | Matthias VOGT > | | | | (1634-1718)x1660 | | | Anna Gertrud VOGT | Gertrud SCHÄFFER > | | (1670-1753)x1699 (1633-1693) | Anna Katharina REES | (1735-1805)x1756 | Johannes WENKER | | (1649-1721) | Caspar WENKER | Margaretha ROMBERG | | (1683-1717)x1707 (1649-1706) | Anna Katharina WENKER | (1709-1744)x1732 | Hermann BECKHOFF | | (1643-1693)x1669 | Katharina Elisabeth BECKHOFF | Anna Katharina VETHAKE > (1686-....)x1707 (1644-1702)