Mary was born in 1774 in Pittsylvania, Virginia, the daughter of Thomas Averleigh Mustain and Mary Ann or Avery Haley.
She has died but the date and place are unknown.
Mary Ann Mustain (1774-?)
Thomas Averleigh Mustain (c1725-1791)
John Thomas M'Estaine (c1678-1722)
Francois Maximillian D'Estaing (1650-?)
Mary Averett (1700-?)
John Averett (1653-1698)
Unknown (-?)
Mary Ann or Avery Haley (<1735->1791)
Edward Haley (1700-1738)
Edward Franklin Haley (1675-1752)
Catherine Perrin (1680-1765)
Mary Thomason (c1700-1765)