William Graham
William was born about 1482.  He died in 1537.

 Margaret Mowbray
Margaret was born before September 1475 in Scotland.  She died on November 19th, 1518 in London, Middlesex, England.

 Margaret Graham
Margaret was born in 1511.  She died before 1546.

 John Graham
John was born before 1518.  He died in January 1564.