William Bertram Lord of Milton
William Bertram Lord of was born in 1152 in Castle Mitford, Northumberland, England.  He died at the age of 53 in 1205.

 Alice de Umfreville
Alice was born in 1161 in Castle Prudho, Northumberland, England.

 Roger Bertram Baron of Mitford
Roger Bertram Baron of was born on April 23rd, 1187.