| First Name | William |
| Alternate Names | Billy Thomas Jefferson’s Farm Book, page 24 |
| Surnames | |
| Gender | Male |
| Birth Information | May 1780 Thomas Jefferson’s Farm Book, page 24 |
| Enslaver | Thomas Jefferson Thomas Jefferson’s Farm Book, page 24 |
| Hastings Marks (d. 1811) Thomas Jefferson’s Farm Book, page 25 |
| Mother | Nancy Hemings (b. 1761) Thomas Jefferson’s Farm Book, page 24 |
© 2025 Thomas Jefferson Foundation, Getting Word: African American History at Monticello supported by The Mellon Foundation