| Name | Birth date | Relationship with Robert Frei |
| Jr., Daniel James Marsh | Private | 2nd cousin once removed |
| Julie | Private | 1st cousin once removed of the wife |
| Julie | Private | Wife of the 2nd cousin |
| Jungerheld, Dawn M. | Private | 2nd cousin once removed of the wife |
| Jungerheld, Mary Jane | Private | 2nd cousin of the wife |
| Jungerheld, Robert Chauncey | 08 Jun 1944 | 2nd cousin of the wife |
| Jungerheld, Robin S. | 09 Jul 1968 | 2nd cousin once removed of the wife |
| Jungerheld, Scott R. | Private | 2nd cousin once removed of the wife |
| Jungerheld, Tyler Scott | Private | 2nd cousin twice removed of the wife |
| Kantack, Arthur | Private | Husband of the 1st cousin twice removed |
| Kappel, Elizabeth | Abt. 1882 | Wife of the great-grandfather |
| Karsten | Bet. 1780 - 1805 | 4th great-grandfather |
| Karsten, Helmuth | | 2nd great-granduncle |
| Karsten, Johann Heinrich | Bet. 1810 - 1825 | 3rd great-grandfather |
| Karsten, Kaitlyn | Private | 2nd cousin once removed of the wife |
| Karsten, Louis | | 2nd great-granduncle |
| Karsten, Maria Charlotte Sophie | 14 Apr 1844 | 2nd great-grandmother |
| Karsten, Nikita | Private | 2nd cousin once removed of the wife |
| Katala, Mary Elizabeth | 27 May 1909 | Wife of the granduncle |
| Katheryn | Abt. 1501 | 14th great-grandmother |
| Kaye, Mary | Private | Wife of the 1st cousin once removed |
| Keeler, Cory | Private | 4th cousin 3 times removed of the wife |
| Kelley, Heather Ann | Private | Wife of the 1st cousin |
| Kellond, Bridget | Abt. 1513 | 14th great-grandmother |
| Kellond, Ralph | | 15th great-grandfather |
| Kelterborn, Elizabeth | Private | 2nd cousin once removed |
| Kelterborn, Louis | Private | Husband of the 1st cousin twice removed |
| Kennedy, Allison Sally | Private | 7th cousin once removed of the wife |
| Kennedy, Arthur Ross | Private | 7th cousin once removed of the wife |
| Kennedy, Bryson Phillips | Private | 7th cousin once removed of the wife |
| Kennedy, Bryson Phillips II | Private | 8th cousin of the wife |
| Kennedy, James Clare | Private | 3rd cousin twice removed of the wife |
| Kennedy, Jeannette Bogar | Private | 8th cousin of the wife |
| Kennedy, Maria Desirre | Private | 8th cousin of the wife |
| Kennedy, Sharron Lawren | 24 Aug 1987 | 3rd cousin twice removed of the wife |
| Kennedy, Suzette Angela | Private | 8th cousin of the wife |
| Kenny | Private | Husband of the 2nd cousin twice removed |
| Kenny, Penny | Private | 3rd cousin once removed |
| Kent, Amelia Lucretia | | Wife of the 3rd cousin 3 times removed |
| Kent, Amy Elizabeth | Private | 4th cousin once removed of the wife |
| Kent, Dennis Emery | 11 May 1943 | 4th cousin of the wife |
| Kent, Elizabeth Anne | Private | 4th cousin once removed of the wife |
| Kent, Jerry John | 12 Jul 1939 | 4th cousin of the wife |
| Kent, Stephanie Ann | Private | 4th cousin once removed of the wife |
| Kent, Thomas Eldon | Private | 4th cousin of the wife |
| Kern, Philip R. | Private | 2nd cousin twice removed of the wife |
| Kesterson, Karen Lee | | Wife of the 2nd cousin |
| Ketcham, Elizabeth | 05 Apr 1822 | 2nd cousin 5 times removed of the wife |
| Ketcham, Enoch | 30 Oct 1818 | 2nd cousin 5 times removed of the wife |
| Ketcham, George | 09 Aug 1824 | 2nd cousin 5 times removed of the wife |