Henry Stanley Monck, 1st Earl of Rathdowne and 2nd Viscount Monck (26 July 1785 – 20 September 1848), was the son of
Charles Monck, 1st Viscount Monck, and Anne Quin. On 28 July 1806, he married Lady Frances Mary Trench, daughter of
William Trench, 1st Earl of Clancarty, and his wife Anne, Countess of Clancarty (née Gardiner). They had 11 daughters.
Lady Anne Florinda Monck (died 1876) married William Mulveney