Mildred Mustain, also known as Milly or Molly, was born to Thomas Mustain (1725–1791) and Mary Avery Haley (1722–1792) about 1753-1755 in Lunenburg, Colony of Virginia, British Colonial America. Lunenburg County, Virginia became Halifax County in 1752, and in 1767 became Pittsylvania County. Mildred married Jesse Keesee in about 1770 in Pittsylvania, Colony of Virginia, British Colonial America. She had several children and died in August 1838 in Pittsylvania, Virginia.
Mildred Mustain Keesee survived her husband by about 10 years. In his will Jesse left her the house, 30 acres and 2 slaves, with the provision that the property be sold at her death and the income divided among the children.
The 1830 census shows her as being between 50 and 60 years old, and living with a female 15/20. She had 2 slaves, a male named Peter, aged 24/36, and a female named Mariah, aged 10/24.
Her granddaughter, Mildred Bobbit, sold this property in 1847 to grandsons, David Dalton, Booker Dalton, Jesse Dalton, Keets Dalton, Dr. Thomas McNealy and George Doss (W &D Book 50, page 502, 1847), $100 for 30 acres "The same being the land devised by the last will and testament of Jesse Keesee deceased to his wife Mildred Keesee after her death to be sold and bounded by land of the late Booker Keesee, Samuel Dalton, etc.
Genealogy Report: Descendants of George Keesee I, updated 18 September 2000 by Carolyn E. Billingsley
Compilation or records related to George Keesee I and his descendants
 This page has info on Milly Mustain
It may be possible to confirm family relationships with Mildred by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Mildred: