| Male MACKENSEN, Herman |
| Birth | 17 Mar 1869 | Brant, Bruce County, Ontario, Canada |
| Death | 27 Mar 1956 | Arlington, Arlington County, VA |
| Burial | ||
| Spouse | BODE, Sophia | F21268 | |
| Marriage | 1896 | New York |
| Male MACKENSEN, Siegmund Johannes |
| Birth | 23 Jun 1874 | Brant, Bruce County, Ontario, Canada |
| Death | 11 Jan 1962 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Spouse | HASELEY, Helene Elizabeth | F16767 | |
| Marriage | 12 Jul 1905 | Sanborn, Niagara County, NY |
| Spouse | HASELEY, Susanne Lydia | F16769 | |
| Marriage | Apr 1910 | Sanborn, Niagara County, NY |
| Male MACKENSEN, Martin |
| Birth | 10 May 1876 | Canada |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Emma | F21269 | |
| Marriage | Abt 1920 | |
| Female MACKENSEN, Elizabeth |
| Birth | 1878 | Brant, Bruce County, Ontario, Canada |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | DENEF, Ernest Nikolaus | F53747 | |
| Marriage | 14 Nov 1898 | Bruce, Ontario, Canada |