| Father | Marion Jefferson Blackwell (b. 10 April 1847, d. 11 October 1914) |
| Mother | Nancy Anna Mayes (b. 1848, d. 13 June 1889) |
| Daughter | Henrietta Pearl Blackwell (b. March 1892, d. 23 November 1902) |
| Daughter | Ethel Mae Blackwell (b. 2 December 1895, d. 21 October 1989) |
| Son | Orval Jay Blackwell+ (b. 18 April 1906, d. 18 September 1963) |
| Pedigree Chart | |
| Included in charts - lists | Barnett - Descendants of Joseph Barnett b. 1758 Blackwell - Descendants of James Blackwell b. 1754 Descendants of John Woodson - Jamestowne Resident at Muster of 1624/25 Glaze - Descendants of Jacob Glaze b. 1773 Goode - Descendants of Edward Goode b. 1748 Webb - Descendants of Robert Webb b. 1759 |
| Relationship | 5th cousin 2 times removed of Charles Ryland ("Ryland") Scott 1st cousin 3 times removed of Carol Jay Gilstrap 1st cousin 5 times removed of Isaac Silas Vaughn 1st cousin 5 times removed of Katherine Gilstrap Scott 1st cousin 5 times removed of Joseph Ryland Scott 1st cousin 5 times removed of Charles Parker ("Parker") Scott 1st cousin 5 times removed of Orly Marie Vaughn 1st cousin 5 times removed of Avital Catherine Vaughn |
| Burial | John Robert Blackwell was buried in Modesto, Stanislaus, California, USABG. | |
| Birth | 20 September 1871 | He was born on 20 September 1871 in Hall, Georgia, United StatesBGO. |
| Death | 24 March 1945 | He died on 24 March 1945 at age 73 in Oakdale, Stanislaus, California, USABG. |
| Last Edited | 15 December 2020 |