Family: Richard C. Gravis & Bernice Melissa Frost
| Wife | Female Bernice Melissa Frost |
| Born | 8 Jan 1897 | Marysville, Nodaway County, Missouri  |
| Died | 21 Jul 1975 | Spohn Hospital, Corpus Christi, Nuceses County, Texas |
| Buried | ||
| Father | Bernard William Frost | Family Group Sheet | |
| Mother | Ethel Silvers | Family Group Sheet | |
| Child 1 | Female Wanda Mae Gravis |
| Born | 3 Jan 1925 | Corpus Christi, Nueces County, Texas |
| Died | 27 Dec 1988 | |
| Buried | Aft 27 Dec 1988 | Rose Hill Memorial Park, Corpus Christi, Nueces County, Texas |
| Spouse | Joseph Charles Blacknall | Family Group Sheet | |
| Married | ||