On 23 Jan 1570 James Stewart 1st Earl Moray Regent (age 39) was assassinated at Linlithgow by James Hamilton of Bothwellhaugh, a supporter of Mary Queen of Scots (age 27). His daughter Elizabeth Stewart 2nd Countess Moray (age 4) succeeded 2nd Countess Moray. As he was passing in a cavalcade in the main street below, Hamilton fatally wounded him with a carbine shot from a window of his uncle Archbishop Hamilton's (age 57) house. He was the first head of government to be assassinated by a firearm.