Chambré Brabazon Ponsonby married a second time on 23 October 1752, to Louisa, daughter of Henry Lyons of Belmont. They had one daughter, Sarah, who lived at Plas Newydd with Eleanor Butler (daughter of Walter Butler of Kilkenny Castle), where they were known as the Ladies of Llangollen. By his third wife, Mary, daughter of Sir William Barker, 3rd Baronet of Kilcooly Abbey, he was the father of Mary, who married Thomas Barton of Grove House, Fethard, and of Chambré Brabazon Ponsonby-Barker. Chambré Brabazon Ponsonby Chambré Brabazon Ponsonby (1720 – 20 February 1762) was an Irish Member of Parliament. He was the son
William Ponsonby, 1st Baron Ponsonby of Halifax, Sir Alec Douglas-Home and Prince William of Wales. William Ponsonby, 1st Baron Ponsonby William Brabazon Ponsonby, 1st Baron Ponsonby (of Imokilly), PC (Ire) (15 September 1744 – 5 November 1806) was a leading Irish Whig politician, being a member of the Irish House of Commons, and, after 1800, of the United Kingdom parliament. Ponsonby was the son of the Hon. John Ponsonby, the Speaker of the Irish House of Commons and Lady Elizabeth Cavendish, daughter of the 3rd Duke of Devonshire. He was invested as a Privy Counsellor of Ireland in 1784. He served as Joint Postmaster-General of