Lord Edmund I De Mortimer Of Wigmore
Edmund I was born in 1261.  He died at the age of 43 on July 17th, 1304 in Battle of Builth,Wales.

 Margaret De Fiennes
Margaret was born in 1262.  She died at the age of 71 on February 7th, 1333.

 Isolde De Mortimer
Isolde was born in 1270.  She died at the age of 58 in 1328.

 Mathilda Maud
Mathilda was born in 1286.  She died at the age of 26 on September 18th, 1312.

 Roger De Mortimer
Roger was born on May 3rd, 1287.  He died at the age of 43 on November 27th, 1330.

 Hugh De Mortimer
Hugh was born in 1290.

 Joan De Mortimer
Joan was born in 1292.

 Walter De Mortimer
Walter was born in 1294.

 Margaret De Mortimer
Margaret was born in 1296.

 Edmund De Mortimer
Edmund was born in 1298.

 John De Mortimer
John was born in 1300.  He died at the age of 18 on January 3rd, 1318.

 Elizabeth De Mortimer
Elizabeth was born in 1302.