So far I've got:
1. Matthew Stewart, Earl of Lennox (b. 1488). He was married to Elizabeth Hamilton, granddaughter of King James II.
2. Archibald Campbell, Earl of Argyll. He was Lord Chancellor of Scotland, and married to Lennox's sister.
3. Adam Hepburn, Earl of Bothwell. He was the son of Patrick Hepburn and Margaret Gordon. Margaret was the granddaughter of James I. Adam was married to Agnes Stewart, bastard daughter of James Stewart, son of Queen Joan Beaufort and the 'Black Knight of Lorne'.
4. William Gordon, son of George Gordon, Earl of Huntly, and Anabella Stewart, daughter of James I.
5. Robert Keith, Lord Keith, nephew of William Gordon.
6. William Hay, Earl of Errol, another nephew of William Gordon.
7. Thomas Hay, his brother.
8. John Stewart, Earl of Atholl, son of John Stewart, son of Queen Joan by the Black Knight.
Did George Manners, Lord de Ros, die in this battle?