John de Mowbray
John was born on November 29th, 1310 in Hovingham, Yorkshire, England and his baptism took place in All Saints, Hovingham, Yorkshire, England.  He died at the age of 50 on October 4th, 1361 in Bedford, Bedford, England.

 Joan Plantagenet
Joan was born about 1310 in Norfolk, England.  She died on July 7th, 1349.  She was buried in High Alter At, Byland.

 John de Mowbray
John was born on June 25th, 1340 in Epworth, Isle Of Axholme, Lincolnshire, England.  He died at the age of 28 in 1368 in Constantinople, Constantinople, Turkey.