Elizabeth Louise Winston Fontaine
Birth 17 Dec 1734
Death unknown
Burial
Beaver Dam Cemetery (Fontaine Family)
Hanover, Hanover County, Virginia, USA
Wife of Peter Fontaine, Jr. of "Rock Castle"
Mother of Col. William Fontaine and Col. John Fontaine, husband of Martha "Patsy" Henry, oldest daughter of Patrick Henry.
Elizabeth was the daughter of Col. William ("Langloo/ Langaloo") Winston and Elizabeth Dabney. William Winston was brother of Sarah Winston Syme Henry; mother of Patrick Henry.
So Elizabeth Winston Fontaine is Patrick Henry's first cousin.
https://www.findagrave.com/memorial/31270590/elizabeth-louise-fontaine