Roger  IV de Mortimer
Roger  IV was born on April 25th, 1287.  He died at the age of 43 on November 29th, 1330.

 Joan de Joinville
Joan was born on February 2nd, 1286.  She died at the age of 70 on October 19th, 1356.

 Joan de Mortimer
Joan was born in 1290.  She died at the age of 48 in 1338.