+-- Edwards 
+--John Edwards  (20 Mar 1820-10 Jun 1896)
|  +--Margrather   (ABT 1807-)
Isaac Edwards  (13 Dec 1859-)
|  +--Samuel John Tindall  (8 Jun 1805-)
+--Elizabeth Tindall  (24 Apr 1825-10 Mar 1915)
   |  +--John Andrew Gerking  (27 Aug 1764-1815/1817)
   +--Margaretha Johanna Gerking  (1 Aug 1806-25 Feb 1901)
      |  +--William Rice 
      +--Rachael Rice  (26 Feb 1774-ABT 1855)