Roger de Mortimer , 4th Earl of March & Ulster 
Roger de was born on April 11th, 1374 in Usk, Monmouthshire, England. He died at the age of 24 on July 20th, 1398 in Battle of Kells, Meath, Ireland (killed).
‌Roger de and Eleanor de were married in a religious ceremony on October 7th, 1388 in 1st husband. They had a daughter named Anne de.
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Children
Anne de Mortimer , Countess of March
Anne de was born on December 27th, 1390 in New Forest, West Meath, Ireland. She died at the age of 20 on September 21st, 1411 in Kings Langley, Hertfordshire, England.
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