| Birth | August 28, 1941 45 23 |
| Death of a paternal grandmother | Margaret Haas December 28, 1946 (Age 5 years) |
| Death of a father | George Kenneth Heaney May 4, 1967 (Age 25 years) |
| Death of a mother | Lillian Walden 1988 (Age 46 years) |
| Death | February 1, 2004 (Age 62 years) |
| Family with parents |
| father |
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| mother |
Lillian Walden Birth: 1918 Death: 1988 |
| himself |
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| Family with Private |
| himself |
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| wife |
Private |
| son |
Private |
| son |
Private |
| Media object | leodennisheaney.jpg Format: image/jpeg Image dimensions: 90 × 105 pixels File size: 25 KB Type: Photo |