 Sir Alexander Home had a safe-conduct abroad with William Douglas, 8th Earl of Douglas on 9 November 1450, and was probably one of the "brilliant retinue" that accompanied the Earl to Rome for the Papal Jubilee.On 23 April 1451 he had another safe-conduct with the Earl.Sir Alexander was one of the envoys sent by King James II, on 27 July 1451, to treat with England, and with his fellow commissioners he signed a truce for three years on 14 August 1451, in the Church of St Nicholas, Newcastle-upon-Tyne.