John de Mowbray
John was born on November 29th, 1310 in Hovingham, Yorkshire, England.  He died at the age of 50 on October 4th, 1361 in Bedford, Bedfordshire, England.

 Joan Plantagenet
Joan was born about 1312 in Grismond Castle, Lancaster, England.  She died on July 7th, 1349 in Yorkshire, England.  She was buried in Byland Abbey, Yorkshire, England.

 John de Mowbray
John was born on June 25th, 1340 in Axhome, Lincolnshire, England.  He died at the age of 28 on October 9th, 1368.

 Elizabeth De Mowbray
Elizabeth was born in 1342 in Kirklington, Yorkshire, England.  She died at the age of 49 in 1391 in Harewood, Yorkshire, England.

 Alianore de Mowbray
Alianore was born in 1346.