Edmund 3rd Earl of March De Mortimer
Edmund 3rd Earl of March was born on March 3rd, 1351 in Llangoed, Brecon, Wales.¹   He died at the age of 30 on December 26th, 1381 in Dominican Friary, Cork, Ire, Ireland.¹ 

 Philippa 5th Countess of Ulster Plantagenet
Philippa 5th Countess of Ulster was born on August 16th, 1355 in Eltham, Kent, , England.²   She died at the age of 26 on January 5th, 1382 in Cork, Ireland.³ 

 Roger 4th Earl of March De Mortimer
Roger 4th Earl of March was born on April 11th, 1374 in Usk, , Monmouthshire, England.²   He died at the age of 24 on July 20th, 1398 in Kells, Meath, , Ireland.²