| Birth | 26 Sep 1915 | New Jersey | | | |
| Residence | 3 Jan 1920 | with his parents - Washington, Washington County, District of Columbia | | | |
| Residence | 13 Apr 1930 | with his parents on Hopewell-Stoutsburg Rd. - Hopewell, Mercer County, New Jersey | | | |
| Miscellaneous | 28 Jul 1948 | Newspaper mentions a a duel taking place between Robert Livingtone Pomeroy and Italian Aristocrat - Rome, Italy | | | |
| Miscellaneous | 28 Jul 1948 | Newspaper mentions a a duel taking place between Robert Livingtone Pomeroy and Italian Aristocrat - Rome, Italy | | | |
| Miscellaneous | 29 Jul 1948 | Duel between Pomeroy and Marquis called off - Rome, Italy | | | |
| Residence | 12 Feb 1962 | and was a US attache - Somaliland, Africa | | | |