 His second wife was Elizabeth Urquhart, née Seton, widow of John Urquhart of Craigfintrie and daughter of Alexander Seton of Meldrum.She was the mother of Fraser's son, Alexander, who predeceased him in 1672, necessitating that the title of 12th Lord Saltoun pass to William Fraser (1654-1715), grandson of the 11th Lord.Alexander Fraser, the 11th Lord Saltoun of Abernethy, died on 11 August 1693 at the age of 89.