His paternal grandfather was James Hamilton, 2nd Earl of Arran in Scotland and Duke of Châtellerault in France. His father's family descended from Walter FitzGilbert , the founder of the House of Hamilton , [3] who had received the barony of Cadzow from Robert the Bruce . [4]
James Hamilton, 1st Earl of Arran (c. 1475–1529) Robert Hamilton, Seigneur d'Aubigny (21 March 1476 - 1543) Illegitimate children included Sir Patrick Hamilton of Kincavil , father of Master Patrick Hamilton , burnt for heresy in 1528 and a Protestant martyr. [1]