+--Servaz Thelen  (1812-AFT. 1843)
+--Martin Thelen  (9 SEP 1843-1 FEB 1899)
|  +--Maria Gertrude Weber  (-AFT. 1843)
John Thelen  (11 SEP 1882-28 SEP 1956)
|  +--? Laubenthal 
+--Maria Anna Laubenthal  (1 OCT 1848-16 JUL 1914)
   +-- Mary