At Oxford King Charles conferred upon the Marquis the titles of Duke of Hamilton , Marquis of Clydesdale , Earl of Cambridge , the Baronies of Aven and Innerdale , in addition he also regranted the Earldom of Arran .
On 12 April 1643 , Hamilton was further ennobled .
At Oxford King Charles conferred upon the Marquis the titles of Duke of Hamilton , Marquis of Clydesdale , Earl of Cambridge , the Baronies of Aven and Innerdale , in addition Hamilton also regranted the Earldom of Arran .
On 12 April 1643 , Hamilton was further ennobled .