Henry O'Brien, 7th Earl of Thomond Irish earl (1620–1691) Parents Barnabas O'Brien, 6th Earl of Thomond Anne Fermor Children Henry O'Brien, Lord Ibrackan Lady Elizabeth O'Brien Henry Horatio O'Brien, Lord O'Brien Lady Auberie Anne Penelope O'Brien Lady Mary O'Brien Siblings Lady Penelope O'Brien William Crichton of Sanquhar Partners Lady Anne O'Brien Sarah Russell
