Margaret de Fiennes, Baroness Mortimer of Wigmore
Margaret de Fiennes, was a French noblewoman who married an English marcher lord, Edmund Mortimer, 2nd Baron Mortimer of Wigmore, and was mother of Roger Mortimer, 1st Earl of March. Wikipedia
Born: 1269
Died: February 7, 1333 (age 64 years), Wigmore, United Kingdom
Grandchildren: Edmund Mortimer, Margaret Mortimer, Baroness Berkeley, Katherine Mortimer, Countess of Warwick, and more
Parents: Blanche de Brienne, Baroness Tingry
Children: Maud de Mortimer, Roger Mortimer, Elizabeth Mortimer, and more
Partner: Edmund Mortimer, 2nd Baron Mortimer of Wigmore (1285–)
Great grandchildren: Roger Mortimer, 2nd Earl of March, Philippa de Beauchamp, Guy de Beauchamp II, and more