John Mowbray, 4th Lord Mowbray
John was born on June 24th, 1340 in Epworth, Lincolnshire, England.  He died at the age of 28 in 1368 in Constantinople, Turkey.

 Elizabeth de Segrave
Elizabeth is no longer alive.

 Alianor de Mowbray
Alianor was born on March 25th, 1364.  She died at the age of 62 on April 8th, 1426.

 Thomas Mowbray, 1st Duke of Norfolk
He died on September 22nd, 1400 in Venice, Italy.