Roger  III de Mortimer
Roger  III was born in 1231.  He died at the age of 51 on October 26th, 1282.

 Maud de Braiose
Maud was born in 1230.  She died at the age of 71 in 1301.

 Edmund de Mortimer
Edmund was born in 1261.  He died at the age of 43 on July 17th, 1304.