1st Baron de Mowbray of Axholme Roger de Mowbray
Roger was born in 1250 in Yorkshire, England.¹   He died at the age of 47 in 1297 in Ghent, Flanders.¹ 

 Roese de Clare
Roese was born on October 17th, 1252 in Tunbridge, Kent, England.¹   She died at the age of 64 in 1316.¹ 

 John de Mowbray
John was born on September 4th, 1286 in Norfolk, England.¹   He died  due to battle of Boroughbridge at the age of 35 on March 23rd, 1322 in Boroughbridge, Yorkshire, England.¹