John Kennedy-Erskine was born 4 June 1802 to Archibald Kennedy, 1st Marquess of Ailsa (1770-1846) and Margaret Erskine (c1772-1848) and died 16 March 1831 of unspecified causes. He married Augusta FitzClarence (1803-1865) 5 July 1827 in Bushy House, Teddington, Greater London, England, United Kingdom.
|Offspring of John Kennedy-Erskine and Augusta FitzClarence (1803-1865)|
|William Henry Kennedy-Erskine (1828-1870)|
|Wilhelmina Kennedy-Erskine (1830-1906)|
|Millicent Anne Mary Erskine (1831-1895)||11 May 1831||11 February 1895||James Hay Erskine-Wemyss (1829-1864)|