John II de Mowbray
John II was born about 1310 in Kirklington, Yorkshire, England.  He died on October 4th, 1361 in Kirlington, Yorkshire, England.

 Joan Plantagenet of Lancaster
Joan Plantagenet of was born about 1310 in Norfolk, England.  She died on July 7th, 1349 in England.  She was buried in 1349 in Byland Abbey, Yorkshire, England.

 Eleanor de Mowbray
Eleanor was born about 1327.  She died before June 18th, 1387.

 John III de Mowbray
John III was born on June 25th, 1340 in Epworth, Isle of Axholme, Lincolnshire, England.  He died at the age of 28 on October 9th, 1368 in Thrace, Holy Land near Constantinople, Greece/Turkey.

 Blanche de Mowbray
Blanche was born in 1341 in Epworth, Isle of Axholme, Lincolnshire, England.  She died at the age of 68 on July 21st, 1409.