Maria Anna Heck
1846 - (
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Maria Anna Heck [1] b. 5 Jun 1846
- Rudolph Gratz b. 1 Nov 1842
- 2 Georg J. Gratz [1.1] b. 13 Mar 1882 d. 12 Aug 1969
- Beatrice Dauenhauer b. 13 May 1888 d. 11 Nov 1967
- 3 Rosa Clara Gratz [1.1.1] b. 11 Sep 1906 d. 23 Jul 1995
- + Harry LeRoy Blodgett b. 10 Jul 1908 d. 19 Jan 1979
- + Harry LeRoy Blodgett b. 10 Jul 1908 d. 19 Jan 1979
- 3 Frank G. Gratz [1.1.2] b. 16 Dec 1907 d. 19 Aug 1930
- 3 John G. Gratz [1.1.3] b. 16 Dec 1907 d. 15 Aug 1966
- 3 Annie Gratz [1.1.4]
- 3 Adam Gratz [1.1.5] b. 3 Dec 1913 d. 30 Mar 1986
- LaVera E. Mackey b. 13 Nov 1914 d. 22 Mar 2004
- 4 Betty Gratz [1.1.5.1]
- 4 Caryl Gratz [1.1.5.2]
- 4 Barbara Gratz [1.1.5.3]
- 4 Betty Gratz [1.1.5.1]
- 3 Rosa Clara Gratz [1.1.1]
- 2 Georg J. Gratz [1.1]