Roger de Mortimer
Roger is no longer alive.

 Joan de Genevill
Joan was born in 1285.  She died at the age of 71 in 1356.

 Edmund de Mortimer
Edmund was born about 1306.

 Maude de Mortimer
Maude was born about 1307.

 Catherine de Mortimer
Catherine was born about 1309.  She died before 1369.

 Agnes de Mortimer
Agnes was born about 1313.

 Joan de Mortimer
Joan was born about 1314.

 Beatrice de Mortimer
Beatrice was born about 1318.

 Margaret de Mortimer
She died after 1345.