woman Mary de Grey‏‎, daughter of Baron Grey Roger de Grey and Elizabeth Hastings‏.
Born ‎± 1331 at of Ruthin, Denbighshire, Wales, died ‎± 1360‎, approximately 29 years, buried ‎ at Anglesea Abbey,, Cambridgeshire, England
Alternate death date: bef 1362 (IGI (International Genealogical Index))

Married ‎± 1337 at of Ruthin, Denbighshire, Wales (approximately 23 years married) to:

man William de la Roche‏‎
Born ‎± 1309 at of Ruthin, Denbighshire, Wales, died ‎± 1360‎, approximately 51 years


2nd marriage
woman Mary de Grey‏‎, daughter of Baron Grey Roger de Grey and Elizabeth Hastings‏.

Married ‎± 1354 at of Ruthin, Denbigh, England (approximately 6 years married) to:

man Sir Knight John de Burgh‏‎
Born ‎ Feb 5, 1328 at Great Oakley, Essex, England, died ‎ Aug 1393 at Hackforth, Yorkshire, England‎, 65 years, buried ‎ at Burgh Church, Burgh, Cambridgeshire, England, ‎1st marriage to: Mary de Grey, 2nd marriage to: Katherine d' Engaine


3rd marriage
woman Mary de Grey‏‎, daughter of Baron Grey Roger de Grey and Elizabeth Hastings‏.

Married ‎± 1352 at of Ruthin, Denbighshire, Wales (approximately 8 years married) to:

man Sir Knight William d' Isney‏‎
Born ‎± 1327 at of Ruthin, Denbighshire, Wales‎