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

 Joan Plantagenet
Joan was born about 1306.  She died on July 7th, 1349.

 John de Mowbray
John was born on June 25th, 1340.  He died at the age of 28 in 1368 in Thrace.  He was buried in Crusader.