+--Jacob Gromer  (28 Dec 1832-10 Jun 1899)
+--John Gromer  (2 Sep 1859-)
|  |     +--John Andrew Gerking  (27 Aug 1764-1815/1817)
|  |  +--John Andrew Gerking  (14 Apr 1798-18 Aug 1879)
|  |  |  |  +--William Rice 
|  |  |  +--Rachael Rice  (26 Feb 1774-ABT 1855)
|  +--Mary B (Polly) Gerkin  (26 Jul 1837-6 Sep 1899)
|     +--Mary (Polly) Phillips  (Sep 1801-5 Jan 1855)
Jacob Gromer  (22 Feb 1885-)
+--Margaret Ann Powell  (7 Aug 1864-17 Aug 1891)