Edmund De Mortimer
Edmund was born in 1306.  He died at the age of 45 on December 16th, 1351.

 Elizabeth De Badlesmere
Elizabeth was born in 1325.  She died at the age of 53 on June 9th, 1378.

 Roger De Mortimer
Roger was born on November 11th, 1328.  He died at the age of 23 on December 16th, 1351.

 John De Mortimer
John was born in 1330.