"On 24 January 1328 the fifteen-year-old king married sixteen year old Philippa of Hainault at York Minster." (citing Michael, 'A Manuscript Wedding Gift from Philippa of Hainault to Edward III', 582.)
Edward III and Philippa were parents of Lionel of Antwerp, ancestors of George Washington (citing RD600 (2008):210-11, PIA 605-7)