
1922-1950
| Walter Daniel Mark, III | |
| B: | 1922 |
| Massachusettes | |
| D: | 1950 |
| Pennsylvania | |
|
1890-
| Alice Lucy Berry | |
| B: | 21 Nov 1890 |
| Great Yarmouth, Norfolk, England | |
1887-1964
| Walter Daniel Mark, II | |
| B: | 22 Jul 1887 |
| West Norwood, Surrey, England | |
| M: | Jan-Feb-Mar 1913 |
| Leicestershire, England | |
| D: | Jan 1964 |
| Railroad Board, Dade, Florida | |