Abt 1904 - Yes, date unknown
| Arthur E. Volkmann | |
| B: | 23 Sep 1941 |
| D: | 3 Mar 2005 |
| Patchogue Suffolk, New York, United States | |
| Jayne E McCahill | |
| B: | Abt 1941 |
| M: | 1 Jul 1962 |
| Brookhaven, New York, USA | |
| D: | Yes, date unknown |
| Daris Valkmann | |
| B: | Abt 1904 |
| England | |
| D: | Yes, date unknown |
| Alfred Valkmann | |
| B: | Abt 1901 |
| New York | |
| D: | Yes, date unknown |
