On 16 Mar 1544 the First Battle of Glasgow was fought between an army of Matthew Stewart 4th Earl Lennox (age 27), who supported a marriage between King Edward VI of England and Ireland (age 6) and Mary Queen of Scots (age 1), and an army of James Hamilton 2nd Earl Arran (age 28) who opposed it.

Robert Boyd 4th Lord Boyd (age 59) fought for James Hamilton 2nd Earl Arran (age 28) for which was rewarded with the family lands (which he held in tack), as well as the restoration of his family's title of Lord Boyd.