He was rewarded by being styled 1st Duke of Montrose from 1707 ( he was previously the 4th Marquess ) .
When the Act of Union was being passed as a matter of urgency in 1707 , James Graham was integral to its support in Scotland .
James Graham was rewarded by being styled 1st Duke of Montrose from 1707 ( James Graham was previously the 4th Marquess ) .
When the Act of Union was being passed as a matter of urgency in 1707 , James Graham was integral to its support in Scotland .