John II De Mowbray
John II was born on November 29th, 1310.  He died at the age of 50 on October 4th, 1361.

 Joan Plantagenet
Joan was born in 1310.  She died at the age of 39 on July 7th, 1349.

 John III De Mowbray
John III was born on June 25th, 1340.  He died at the age of 27 on June 17th, 1368.

 Alinore De Mowbray