Arthur Chichester, 1st Earl of Donegall
He was the eldest son of Edward Chichester, 1st Viscount Chichester, and his first wife Anne Copleston. He made a career as a soldier before being elected to the Irish House of Commons as Member of Parliament for Armagh in 1634 and again in 1640.
Having distinguished himself in helping to put down the rebellion that took place in Ulster in 1641, Chichester was admitted to the Privy Council of Ireland in 1643 and appointed Governor of Belfast. It was on the advice of the Duke of Ormonde, Lord Lieutenant of Ireland at the time, that he was in 1647 created Earl of Donegall in the Peerage of Ireland. The title was created with a special remainder to the male heirs of his father, whom he succeeded a year later as second Viscount Chichester. He took his seat in the Irish House of Lords in 1661. In 1668 he endowed a mathematical lectureship at Trinity College, Dublin with an annuity of 30 livre (pounds), this lectureship survives as an annual public lecture at the School of Mathematics in Trinity College.
He married three times: firstly Dorcas Hill, by whom he had one daughter Mary, who married John St Leger and was mother of the 1st Viscount Doneraile. He married secondly Lady Mary Digby, daughter of John Digby, 1st Earl of Bristol, who died in 1648: they had eight children all of whom died young. He married thirdly in 1651 Letitia, daughter of Sir William Hicks, 1st Baronet. They had a son William and four daughters who all died young, and one surviving daughter Anne (died 1697) who married firstly John Butler, 1st Earl of Gowran and secondly Francis Aungier, 1st Earl of Longford.
As all his sons had died young, the earldom passed under the remainder to his nephew.
- Armstrong, R. M. "Chichester, Arthur". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/5275. (Subscription or UK public library membership required.)
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