William Mitford
William was born in 1369 in Molesdon, Northumberland, England.  He died at the age of 54 on March 7th, 1423.

 Margaret Lisle
Margaret was born about 1372 in Woodburn, Northumberland, England.

 John Mitford
John was born about 1400.  He died on May 6th, 1457.