. "1320Z"^^ . "1362Z"^^ . . . . "Mary of Lancaster, Baroness Percy (1320 \u2013 1 September 1362), was the youngest surviving child of Henry, 3rd Earl of Lancaster by his wife Maud Chaworth. Through her father, she was a great-granddaughter of Henry III of England."@en . "Mary of Lancaster"@en . . . "English noble" . "Mary Of Lancaster"@en . . "1362-09-01Z"^^ . "Baroness Percy"@en .