(1993-)
| +---Willard McCall Hammac (1914-)
| +---Houston Mac Hammac (1936-)
| | | +---William Boutwell
| | | +---John Hartley Boutwell (1875-1960)
| | | | +---Matilda Colvin 
| | +---Mary Vermell Boutwell (1918-)
| | | +---Andrew Druett Manning (1811-)
| | | +---Barney Austin Manning
| | | | +---Nancy Ree Knowles (1829-1853)
| | +---Martha Drucella Manning (1885-1973)
| | | +---John Duran Vickery
| | +---Sarah Elizabeth Vickery (1865-)
| | +---Sarah Ann Knowles
+---Toki Nicole Hammac (1970-)
+---Frances Marie Day (1941-)