Alexander Home, de jure 4th Earl of Dunbar

From the English Wikipedia page on Earl of Dunbar:

Earls of Dunbar, Second Creation (1605)

• George Home, 1st Earl of Dunbar (c.1556–1611), who died without male issue.

Subsequent claimants to the title[7][8]

• John Home, de jure 2nd Earl of Dunbar (a 1628), brother of 1st Earl, according to the Lord Advocate[9] in 1634, he “conceiving his fortune too mean, forebore to assume the dignity”. He died without male issue.
• George Home, de jure 3rd Earl of Dunbar (a 1637), son of Alexander Home of Manderston and nephew of 1st Earl, certified in his claim in 1634 by the same Lord Advocate.
• Alexander Home, de jure 4th Earl of Dunbar (d 1675), son of 3rd Earl, said to have been confirmed in title by Charles II in 1651 but which does not appear in The Great Seal of Scotland.[10] Died without male issue.

References:

• 7. ^ Balfour Paul, Sir James, editor, The Scots Peerage, Edinburgh, 1904, vol.iii:280-9
• 8. ^ Cokayne, G. E. et al., eds. (1916) The Complete Peerage, London; vol.iv: p. 511
• 9. ^ who has no authority in such a matter.
• 10. ^ Thomson, John Maitland; Stevenson, John Horne; Dickson, William Kirk, Advocates and associated editors, The Register of the Great Seal of Scotland vol.ix, 1634 - 1651, and vol.x, 1652 - 1659, Scottish Record Society, Edinburgh, 1984, where there is no record of this confirmation