The four sisters were: They all married prominent men and attracted varying degrees of admiration or notoriety.
Her three surviving sons (one other died young) were dissipated, caused her great grief over their gambling, and this may have contributed to her death.
Lord George Simon FitzGerald (16 April 1773 – May 1783) was recognised as the son of Lord Kildare and Emily Mary Lennox, but in fact was the biological child of the Fitzgerald children's tutor, William Ogilvie.
In 1774, a year after her husband died in 1773, Emily outraged society in Ireland by marrying Ogilvie in France.
[3] Sarah Lennox was raised in Ireland by her sister Emily, in accordance with the provisions of her father's will, her parents having died when she was six years old.
She caught the eye of the young Prince of Wales, later George III, who, after ascending the throne, hinted that he was considering her as a wife but never proposed.
Lady Sarah embarked on an adulterous affair with Lord William Gordon and bore him a daughter, called Louisa Bunbury, in 1768.
As a young woman, she fell ill with a wasting disease—possibly tuberculosis—and her older siblings sent her first to Lyons Gate and then to France in a vain effort to recover her strength.