Roger De Mortimer
Roger was born in 1221 in Cwmaron Castle, Radnorshire, Wales.  He died at the age of 61 on October 27th, 1282 in Kingsland, Herefordshire, England.

 Maud De Braose
Maud was born in 1226 in Gower, Glamorganshire, Wales.  She died at the age of 75 in 1301 in Gower, Glamorganshire, Wales.

 Isabella De Mortimer
Isabella was born in 1248 in Wigmore, Herefordshire, England.  She died at the age of 26 in 1274 in Arundel, Sussex, England.