He succeeded to the title of 2nd Lord Kennedy in 1489 after the death of his father.
[1] John Kennedy married three times:[2] His first wife was Elizabeth Montgomerie, daughter of Alexander Montgomerie, 1st Lord Montgomerie, before 25 March 1460, and by her, he had three daughters and a son David Kennedy, 1st Earl of Cassillis (1463–1513) who married Agnes Borthwick.
[3] His second wife was Lady Elizabeth Gordon, daughter of Alexander Gordon, 1st Earl of Huntly and Elizabeth Crichton, whom he married between 24 August 1467 and 12 August 1471.
His third wife whom he married after 1500 was known also as Elizabeth Kennedy.
This biography of a Lord of Parliament in the Peerage of Scotland is a stub.