Campbell was the eldest son of John Callander of Craigforth, by his wife Mary, daughter of Sir James Livingston of Glentirran and Dalderse, he was born at Ardkinglas Castle on 21 October (O.S.)
[3] Taking work abroad, under Sir John Acton, 6th Baronet, Callander was inspector-general of troops at Naples.
[2] At the request of Lord Nelson, Callander claimed, he went to the Ionian Islands to confirm the inhabitants in their attachment to the English cause.
[2] On succeeding in 1810 to the estate of his cousin Sir Alexander Livingston-Campbell of Ardkinglas, Callander adopted the name of Campbell.
[6] Before her death in 1796, they were the parents of:[7] Campbell's fourth wife was Melle Descot, the daughter of his Paris banker, they were married in 1815.
[3] Being detained by the order of Napoleon, he supposedly sent her as his commissioner to Scotland, designating her in the power of attorney with which he furnished her as his "beloved wife".
On appeal to the House of Lords the award was withheld, and Sassen continued to bring legal actions against him, being allowed to sue in formâ pauperis.
[11] Through his daughter Frances, he was the grandfather of Sir Frederick Graham, 3rd Baronet and Mabel Violet, Countess Feversham, wife of William Duncombe, 1st Earl of Feversham and the great grandfather of Margaret Frances Grimston, Countess of Verulam, wife of James Grimston, 3rd Earl of Verulam, of Sibyl Marcia Milnes, Baroness Houghton, wife of Robert Crewe-Milnes, 1st Marquess of Crewe, of Violet Hermione Graham, Duchess of Montrose, of Hilda Georgina Faber, Baroness Wittenham, wife of Denison Faber, 1st Baron Wittenham, of Lady Ulrica Duncombe, wife of Everard Baring, of William Duncombe, Viscount Helmsley, of Hermione Wilhelmina FitzGerald, Duchess of Leinster, of Helen Venetia Vincent, Viscountess D'Abernon and of Lady Mabel Cynthia Duncombe, who married her cousin, Sir Richard James Graham, 4th Baronet.