Elizabeth Butler , Countess of Ormond was the wife of Irish peer James Butler, 2nd Earl of Ormond, and the mother of his six children, including James Butler, 3rd Earl of Ormond.
Elizabeth Darcy was born onApril 1332 at Platten, County Meath, Ireland, the daughter of Sir John Darcy, 1st Baron Darcy de Knayth, Justiciar of Ireland, and his second wife Joan de Burgh. Sir John was a veteran of the Battle of Crecy. He held the offices of Constable of Nottingham Castle, Constable of the Tower of London, and Sheriff of Lancashire. From 1341 1346, he was Chamberlain to King Edward III.
Source: Wikipedia