+--Diederich Ropers  (EST 1812-)
+--Johann Ropers  (2 OCT 1856-19 JAN 1944)
|  +--Catharine Marie Viets  (ERR 1814-25 JAN 1857)
Diedrich Ropers  (25 DEC 1893-17 OCT 1918)
+--Anna Gesche Thobaben  (31 DEC 1860-3 DEC 1939)