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 | Frederic Heckman 1867-Yes, date unknown |
| Frederic Heckman | |
| B: | 28 Feb 1867 |
| , Berks, Pennsylvania, United States | |
| D: | Yes, date unknown |
| Earl D. Heckman 1924-1984 |
| Earl D. Heckman | |
| B: | 15 Mar 1924 |
| Bethlehem, Lehigh, Pennsylvania, United States | |
| D: | 26 May 1984 |
 | Vilma A. Nagy 1926-2001 |
| Vilma A. Nagy | |
| B: | 1926 |
| Bethlehem, Lehigh, Pennsylvania, United States | |
| D: | 26 May 2001 |
| Bethlehem, Lehigh, Pennsylvania, United States | |
| Earl Leroy Heckman 1899-1963 |
| Earl Leroy Heckman | |
| B: | 21 May 1899 |
| , , Pennsylvania, United States | |
| D: | 22 Nov 1963 |
| Bethlehem, Northampton, Pennsylvania, United States | |
| Eva M. Cope 1904-1963 |
| Eva M. Cope | |
| B: | 7 Dec 1904 |
| , Northampton, Pennsylvania, United States | |
| D: | 12 Jul 1963 |
| Lower Saucon Township, Northampton, Pennsylvania, United States | |
| Estalla Mildred Fenstermacher 1899-1954 |
| Estalla Mildred Fenstermacher | |
| B: | 27 Dec 1899 |
| , , Pennsylvania, United States | |
| D: | 29 Jun 1954 |
| Bethlehem, Northampton, Pennsylvania, United States | |
| John Henry Heckman 1869-1937 |
| John Henry Heckman | |
| B: | 22 Aug 1869 |
| , , Pennsylvania, United States | |
| D: | 26 Mar 1937 |
| Bethlehem, Lehigh, Pennsylvania, United States | |
| Alvesta Rebecca Stein 1871-1927 |
| Alvesta Rebecca Stein | |
| B: | Feb 1871 |
| , , Pennsylvania, United States | |
| D: | 21 Nov 1927 |
| Bethlehem, Lehigh, Pennsylvania, United States | |
| Cosmos Heckman 1870-Yes, date unknown |
| Cosmos Heckman | |
| B: | 24 Sep 1870 |
| , Berks, Pennsylvania, United States | |
| D: | Yes, date unknown |
| Reuben Heckman 1837-1903 |
| Reuben Heckman | |
| B: | 3 Mar 1837 |
| Upper Bern Township, Berks, Pennsylvania, United States | |
| M: | Abt 1866 |
| Tilden Township, Berks, Pennsylvania, United States | |
| D: | 4 Sep 1903 |
| , Berks, Pennsylvania, United States | |