Henry O'Brien, 7th Earl of Thomond

rdf:langString Henry O'Brien, 7th Earl of Thomond

rdf:langString Henry O'Brien, 7th Earl of Thomond PC (Ire) (c. 1620 – 2 May 1691) was an Irish peer, styled Lord Ibrackan from 1639 to 1657. O'Brien was the son of Barnabas O'Brien, 6th Earl of Thomond and . In 1641, he married his first cousin Anne O'Brien (d. September 1645), daughter of Henry O'Brien, 5th Earl of Thomond, by whom he had one son: * Henry, Lord Ibrackan (c. 1642 – 1678) After Anne's death, he married Sarah Russell, daughter of Sir Francis Russell, and widow of Sir John Reynolds. This made O'Brian a brother-in-law of Henry Cromwell, who had married Sarah's sister Elizabeth. O'Brian and Sarah had five children: * Henry, died in infancy * (d. 1690), who was father of Henry O'Brien, 8th Earl of Thomond (1688–1741) * Elizabeth (d. 3 June 1688), without issue * Auberie Anne Penelope, married Henry Howard, 6th Earl of Suffolk, and had issue * Mary, married Sir Matthew Dudley, 2nd Baronet