| Name | Birth date | Relationship with Robert Frei |
| Gerken, Julia (Julie) | Private | 1st cousin once removed of the wife |
| Gerken, Katherine | 1889 | Grandaunt of the wife |
| Gerken, Lencke | Abt. 04 Jan 1710/11 | 5th great-grandaunt of the wife |
| Gerken, Louise | Private | 1st cousin once removed of the wife |
| Gerken, Mable L. | 09 Mar 1893 | 1st cousin twice removed of the wife |
| Gerken, Margarete | Abt. 1664 | 6th great-grandaunt of the wife |
| Gerken, Margarete | 27 Feb 1776 | 3rd great-grandaunt of the wife |
| Gerken, Margarete | 02 Oct 1777 | 1st cousin 5 times removed of the wife |
| Gerken, Margarete | 12 Feb 1800 | 1st cousin 4 times removed of the wife |
| Gerken, Margarete | 10 Sep 1804 | 2nd great-grandaunt of the wife |
| Gerken, Margarete | 25 Sep 1857 | Great-grandaunt of the wife |
| Gerken, Margarete (Maggie) | 01 Feb 1862 | Great-grandaunt of the wife |
| Gerken, Margret | 13 Nov 1751 | 4th great-grandaunt of the wife |
| Gerken, Markard | 17 Dec 1702 | 5th great-grandfather of the wife |
| Gerken, Market | 22 Jun 1773 | 3rd great-granduncle of the wife |
| Gerken, Marten | 06 Feb 1802 | Half 2nd great-granduncle of the wife |
| Gerken, Martha L. | 31 May 1891 | 1st cousin twice removed of the wife |
| Gerken, Matthew | Private | 2nd cousin once removed of the wife |
| Gerken, Mette | Abt. 1797 | 1st cousin 4 times removed of the wife |
| Gerken, Mette | 20 Jul 1801 | 1st cousin 4 times removed of the wife |
| Gerken, Mette | Abt. 19 Apr 1815 | 1st cousin 4 times removed of the wife |
| Gerken, Michel | 01 Apr 1709 | 5th great-granduncle of the wife |
| Gerken, Mollie Willamina | 08 May 1896 | Grandaunt of the wife |
| Gerken, Nancy Lou | Private | Sister-in-law |
| Gerken, Neil Robert | Private | Brother-in-law |
| Gerken, Nila Kaye | Private | Wife |
| Gerken, Pamela | Private | 2nd cousin once removed of the wife |
| Gerken, Peter | Abt. 1630 | 7th great-grandfather of the wife |
| Gerken, Peter | Abt. 02 Feb 1713/14 | 5th great-granduncle of the wife |
| Gerken, Peter | 02 Jan 1745/46 | 4th great-granduncle of the wife |
| Gerken, Peter | 19 Jul 1784 | 1st cousin 5 times removed of the wife |
| Gerken, Randy Todd | Private | 3rd cousin of the wife |
| Gerken, Rebecka | 07 Mar 1841 | 1st cousin 3 times removed of the wife |
| Gerken, Rebecka | 26 Feb 1854 | 1st cousin 3 times removed of the wife |
| Gerken, Robert Bruce | Private | 1st cousin of the wife |
| Gerken, Robert Ernest | 24 May 1922 | Uncle of the wife |
| Gerken, Robert Henry | Private | 2nd cousin once removed of the wife |
| Gerken, Robert Lewis | Private | 1st cousin once removed of the wife |
| Gerken, Ruth M. | Private | 2nd cousin once removed of the wife |
| Gerken, Samantha | Private | 3rd cousin once removed of the wife |
| Gerken, Sarah | Private | 1st cousin once removed of the wife |
| Gerken, Seth | Private | 1st cousin once removed of the wife |
| Gerken, Sohn | | 4th great-granduncle of the wife |
| Gerken, Sohn | 21 May 1809 | 2nd great-granduncle of the wife |
| Gerken, Taylor | Private | 3rd cousin once removed of the wife |
| Gerken, Thomas Alan | Private | 1st cousin of the wife |
| Gerken, Tommi Jo | Private | 1st cousin once removed of the wife |
| Gerken, Trien | 16 Dec 1738 | 4th great-granduncle of the wife |
| Gerken, Triene Margarete | 06 Feb 1782 | 3rd great-grandaunt of the wife |
| Gerken, Trine Mette | 27 Dec 1812 | 2nd great-grandaunt of the wife |