| Name | Birth date | Relationship with Robert Rowen |
|---|
| Avery, Hannah Smith | January 13, 1816 | Great-grandmother of the wife |
| Bachmann, Clarion H. | July 30, 1905 | Wife of the uncle |
| Bainbridge, Keith | December 29, 1959 | Husband of the 1st cousin once removed |
| Bainbridge, Megan Marie | August 9, 1985 | 1st cousin twice removed |
| Bainbridge, Steven | September 24, 1987 | 1st cousin twice removed |
| Bala, Deborah | | Wife of the 1st cousin once removed |
| Ball, Ben | | Husband of the great-grandaunt |
| Ball, Ben, Jr. | | 1st cousin twice removed |
| Ball, Blanche | | 1st cousin twice removed |
| Ball, Grace | | 1st cousin twice removed |
| Bannen, John Thomas | September 1, 1917 | Husband of the 1st cousin once removed |
| Barnard, Abraham | 1781 | 2nd cousin 4 times removed of the wife |
| Barnard, Elizabeth | 1774 | 2nd cousin 4 times removed of the wife |
| Barnard, Jeney | 1772 | 2nd cousin 4 times removed of the wife |
| Barnard, John | 1776 | 2nd cousin 4 times removed of the wife |
| Barnard, Robert | 1775 | 2nd cousin 4 times removed of the wife |
| Barnard, Samuel | 1778 | 2nd cousin 4 times removed of the wife |
| Barnard, Sarah | | 1st cousin 5 times removed of the wife |
| Barnard, Susanna | | 1st cousin 5 times removed of the wife |
| Barnard, Susannah | 1771 | 2nd cousin 4 times removed of the wife |
| Barnard, Thomas | 1785 | 2nd cousin 4 times removed of the wife |
| Barnard, William | 1783 | 2nd cousin 4 times removed of the wife |
| Bart, Amrit | November 12, 1961 | Nephew |
| Bart, Jessica | June 12, 1961 | Niece |
| Bart, Joshua | July 25, 1970 | Nephew |
| Bart, Kenneth | | Brother-in-law |
| Bart, Rowena Jessica | June 12, 1961 | Niece |
| Bart, Surja | April 1, 1966 | Niece |
| Bates, Dr. J. Ferdinand | 1834 | Husband of the great-grandaunt |
| Beckelman | | Husband of the 1st cousin once removed |
| Berney, Jessica | April 24, 1879 | Wife of the granduncle |
| Berney, Jessie | April 24, 1879 | Wife of the granduncle |
| Blair, Sarah | December 9, 1743 | 3rd great-grandmother of the wife |
| Bleyfus-Richardot, Carole Dana | December 16, 1942 | Wife of the 1st cousin |
| Bond, Jane | | 7th great-grandmother of the wife |
| Burgess, Lawrence Rankin | January 14, 1946 | Half nephew of the wife |
| Burgess, Margaret | March 4, 1953 | Half niece of the wife |
| Burgess, Richard Arthur | September 14, 1948 | Half nephew of the wife |
| Burgess, Thompson, Jr. | July 9, 1942 | Half nephew of the wife |
| Bush, Bud | June 10, 1933 | 2nd cousin |
| Bush, Chauncey Levison | October 25, 1902 | Husband of the 1st cousin once removed |
| Bush, Chauncy Levison, Jr | April 21, 1932 | 2nd cousin |
| Bush, Leslie Jean | | 2nd cousin once removed |
| Bush, Lindsey Grace | | 2nd cousin once removed |
| Bush, Mark Dickerson | | 2nd cousin once removed |
| Bush, Philip Henry | June 10, 1933 | 2nd cousin |
| Bush, Philip Hopewell | | 2nd cousin once removed |
| Bush, Skip | April 21, 1932 | 2nd cousin |
| Bush, Tracy Philip | December 18, 1958 | 2nd cousin once removed |
| Carolyn | | Wife of the great-granduncle |
