John Mowbray
John was born on November 29th, 1310 in Hovington, Yorkshire, England.¹   He died at the age of 50 on October 4th, 1361 in Hovington, Yorkshire, England of the plague..¹ 

 Joan De Lancaster Plantagenet
Joan De Lancaster was born in 1310.¹   She died at the age of 39 on July 7th, 1349.¹ 

 John De Mowbray
John was born on June 25th, 1340 in Epworth, Isle of Axholme, Lincolnshire, England.¹   He died  due to Slayed in the way to the Holy Land, near Constantinople at the age of 28 on October 9th, 1368 in nr. Constantinople, Turkey.¹ 

 Thomas Mowbray
¹   He died on September 22nd, 1399 in Venice, Italy.¹