Henry Monck, 1st Earl of Rathdowne

Henry Stanley Monck, 1st Earl of Rathdowne and 2nd Viscount Monck, 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. They had 11 daughters.

• Lady Anne Florinda Monck married William Mulveney
• Lady Elizabeth Louise Mary Monck, married her first cousin Charles Monck, 4th Viscount Monck
• Lady Emily Monck, married William Barlow Smyth
• Lady Frances Isabella Monck, married Owen Blayney Cole
• Lady Georgiana Ellen Monck, married Edward Croker