Richard W. Heckman
1922 - Yes, date unknownDrag or scroll to see more of the chart.
WIlliam Augustus Heckman
1840-1910
1840-1910
Emma Wentzel Kline
1845-1876
1845-1876
Clarence Wilfred Heckman
1873-1932
1873-1932
Mary May Mease
1881-1911
1881-1911
Wilfred Clarence Heckman
1901-1987
1901-1987
Elva Pfautz
1903-1992
1903-1992
Richard W. Heckman
1922-
1922-