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

 Elizabeth De Segrave
Elizabeth De was born on October 25th, 1338.  She died at the age of 30 in 1368.

 Thomas Mowbray
Thomas was born on March 22nd, 1366 in Epworth, Isle Of Axholme, Lincolnshire, England.  He died at the age of 33 on September 22nd, 1399 in Venice, Venice, Italy.