| Name | Birth date | Relationship with Richard Langdon |
|---|
| Plank, Raymond Bryant | April 02, 1971 | Nephew of the wife |
| Plank, Raymond Francis | December 24, 1935 | Brother-in-law |
| Plank, Robert Gene | December 07, 1974 | 1st cousin once removed of the wife |
| Plank, Rollin Earl | May 21, 1938 | Brother-in-law |
| Plank, Rollin Otto | August 03, 1912 | Father-in-law |
| Plank, Sarah | | 2nd great-grandaunt of the wife |
| Plank, Seth Bigoness | January 13, 1923 | Uncle of the wife |
| Plank, Seth Taylor | May 09, 1998 | 1st cousin once removed of the wife |
| Plank, Sharon Renee | August 27, 1982 | Grandniece of the wife |
| Plank, Stephanie Shuler | December 29, 1977 | 1st cousin once removed of the wife |
| Plank, Sylvia Renee | January 04, 1949 | 1st cousin of the wife |
| Plank, Sylvia Renee | May 07, 1969 | Niece of the wife |
| Plank, Tracee Elizabeth | July 26, 1976 | 1st cousin once removed of the wife |
| Plank, Vashti | December 31, 1857 | Great-grandaunt of the wife |
| Plank, William | November 30, 1792 | 3rd great-granduncle of the wife |
| Putnam, Tiffany Renee | September 08, 1987 | Grandniece of the wife |
| Richbourg, James Jefferson | December 03, 1936 | 2nd cousin of the wife |
| Richbourg, Marilyn Heath | July 10, 1944 | 2nd cousin of the wife |
| Robbins, Martha Idella | | Grandmother of the wife |
| Roscoe, B.J. | | Ex-husband of the 1st cousin |
| Rousel, Louis | 1835 | 2nd great-grandfather |
| Rouzer, Jonathan David | April 29, 1982 | 1st cousin twice removed of the wife |
| Rouzer, Jordan Paul | August 17, 1994 | 1st cousin twice removed of the wife |
| Rouzer, Meaghan Anne | June 01, 1986 | 1st cousin twice removed of the wife |
| Rouzer, Seth Benjamin | September 25, 1996 | 1st cousin twice removed of the wife |
| Russell, Agnes Frederica | 1884 | Grandaunt |
| Russell, Andrea Nichole | May 07, 1980 | Daughter-in-law |
| Russell, Catherine Pricilla | September 08, 1880 | Grandmother |
| Russell, Ida Price | October 30, 1882 | Grandaunt |
| Russell, Sevela Wilhemina | 1876 | Grandaunt |
| Russell, William | 1854 | Great-grandfather |
| Sanstrom, John | February 28, 1966 | 1st cousin once removed |
| Sanstrom, Linus | | Ex-husband of the 1st cousin |
| Sanstrom, Mary | 1963 | 1st cousin once removed |
| Schlebach, Anna Maria | January 19, 1771 | 4th great-grandmother of the wife |
| Shaw, Cheryl Ann | July 26, 1987 | Grandniece of the wife |
| Shaw, Donald Eugene III | April 15, 1992 | Grandnephew of the wife |
| Shaw, Donald Eugene, Jr. | April 08, 1971 | Nephew of the wife |
| Shaw, Judith Elizabeth | January 21, 1967 | Niece of the wife |
| Smoak, Mason Gabelein, Jr | February 02, 2000 | 1st cousin twice removed of the wife |
| Somppi, Viola | | Wife of the uncle |
| Spangler, Caitlin Bernice | November 10, 1989 | Grandniece of the wife |
| Spangler, Catherine Aileen | August 25, 1988 | Grandniece of the wife |
| Spinks, Sharon Lorraine | April 10, 1970 | Niece of the wife |
| Spradling, Jessica Chance | May 08, 1984 | Grandniece of the wife |
| Spradling, Robert Earl | October 27, 1990 | Grandnephew of the wife |
| Spradling, Travis Jaryd | October 04, 1988 | Grandnephew of the wife |
| Spradling, Wesley Cole | December 07, 1993 | Grandnephew of the wife |
| Stacey, Samuel Morgan | September 20, 1989 | 1st cousin twice removed of the wife |
| Stacey, Siara Lynn | October 11, 1992 | 1st cousin twice removed of the wife |