| Father | Male Herbert Spencer McDUFFEE, Sr. |
| Born | 4 Mar 1891 | Lawrence, Essex, Massachusetts |
| Died | 8 Feb 1970 | Sacramento, California |
| Buried | Masonic Lawn Cemetery, Sacramento, California |
|
| Married | 30 Oct 1919 | Omaha, Douglas, Nebraska |
| Father | Everett Hopkinson McDUFFEE | F291 Group Sheet | |
| Mother | Nettie Sarah RICKER | F291 Group Sheet | |
| Mother | Female Mildred Joy MEKEEL |
| Born | 9 Mar 1895 | Saint Louis, Missouri |
| Died | 18 Jan 1988 | Sacramento, California |
| Buried | ||
| Father | George Douglas MEKEEL | F304 Group Sheet | |
| Mother | Martha May HAWLEY | F304 Group Sheet | |
| Child 1 | Female + Marilyn Joy McDUFFEE |
| Born | 13 Apr 1925 | Sacramento, California |
| Died | 28 Sep 1998 | Carmichael, Sacramento, California |
| Buried | ||
| Spouse | Frank Donald VINCENT | F305 | |
| Married | 19 May 1949 | Sacramento, California |
| Child 2 | Male + Herbert Spencer McDUFFEE, Jr. |
| Born | 17 Jul 1928 | Sacramento, California |
| Died | 30 Dec 2001 | Placerville, El Dorado, California |
| Buried | Masonic Lawn Cemetery, Sacramento, Sacramento, California |
|
| Spouse | Christine Evan HUGHES | F307 | |
| Married | Abt 1955 | |
| Child 3 | Female + Kathryn Anne McDUFFEE |
| Born | 12 Jul 1933 | Sacramento, California |
| Died | ||
| Buried | ||
| Spouse | Arthur Lee BREUER | F306 | |
| Married | 19 Jun 1955 | Sacramento, California |