In 1806 he was created Baron Breadalbane, of Taymouth Castle in the County of Perth, in the Peerage of the United Kingdom, which entitled him to an automatic seat in the House of Lords.

The animals were shipped to the family estate at Taymouth, Scotland where they are said to have become tame and some young were born there.

One daughter, Lady Mary Campbell, married Richard Temple-Grenville, 2nd Duke of Buckingham and Chandos.

[4] Their second daughter, Lady Elizabeth Maitland Campbell (1794–1878) married Sir John Pringle, 5th Baronet of Stichill, as his second wife.

[5] He died at Taymouth Castle, Perthshire, in March 1834, aged 71, and was succeeded by his only son, John, Earl of Ormelie.