"William Pannill, the 4th, born at "Green Level", January 31 1768. He moved to Oxford North Carolina and there he married Martha Mitchell in 1793 (widow of Soloman Walker) daughter of David Mitchell and Hannah---of Lunenburg County North Carolina.Martha Mitchell was born in Granville County N.C. December 12, 1762, and died May 18, 1842.William Pannell was killed in Kentucky by a falling tree during storm.He had gone to Kentucky to survey land that his father left him."
"William Pannill the 4th born at 'Green Level' January 31 1768 son of William the 3rd and Ann Morton.He married Martha Mitchell.
Their children are
1. Col. William Pannill the 5th
2. Elizabeth Davis Pannill"
https://www.genealogy.com/forum/surnames/topics/pannell/857/