1. William Robert FITZGERALD had the title '2nd Duke of Leinster'. He married Emilia Olivia ST. GEORGE.
Emilia Olivia ST. GEORGE and William Robert FITZGERALD had the following children:
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2. Olivia Letitia Catherine FITZGERALD, daughter of William Robert FITZGERALD and Hon. Emilia Olivia ST. GEORGE, was born on 9 September 1787. She married Charles KINNAIRD on 8 May 1806 in London. She died on 28 February 1858.
Charles KINNAIRD, son of George KINNAIRD (bef1762-1805) and Elizabeth RANSOM ( - ), was born on 12 April 1780. He had the title '8th Baron Kinnaird'. He died on 12 December 1826. He and Olivia Letitia Catherine FITZGERALD had the following children:
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3. Frederica Eliza KINNAIRD, daughter of Charles KINNAIRD and Olivia Letitia Catherine FITZGERALD, died on 25 May 1856.
4. George William Fox KINNAIRD, son of Charles KINNAIRD and Olivia Letitia Catherine FITZGERALD, was born on 14 April 1807. He had the title '9th Baron Kinnaird'. He died on 7 January 1878.
5. Graham Hay St. Vincent De Ros KINNAIRD, son of Charles KINNAIRD and Olivia Letitia Catherine FITZGERALD, was born on 27 October 1811. He died on 14 April 1838.
6. Arthur Fitzgerald KINNAIRD, son of Charles KINNAIRD and Olivia Letitia Catherine FITZGERALD, was born on 8 July 1814. He had the title '10th Baron Kinnaird'. He died on 26 April 1887.