Overview
John Sackville MP (before 17 March 1484 – 26 September 1557) was a member of parliament for East Grinstead, and a local administrator in Essex, Sussex and Surrey. His first wife was Margaret Boleyn, an aunt of Henry VIII's second Queen, Anne Boleyn, and a great-aunt of Queen Elizabeth I.
Family
John Sackville, born before 17 March 1484, was the son of Richard Sackville (d. 28 July 1524), esquire, and Isabel Digges, the daughter of John Digges, esquire, of Barham, Kent, by Joan Clifton, the daughter and co-heiress of Sir Gervase Clifton. He was the grandson of Humphrey Sackville (d. 24 January 1489) and Katherine Browne, daughter of Sir Thomas Browne (beheaded 20 July 1460), Treasurer of the Household to King Henry VI, by Eleanor Arundel, and the great-grandson of Edward Sackville (d. 1459) and his wife, Margaret Wakehurst.
Sackville had three brothers and seven sisters:
Richard Sackville, who married the daughter of Thomas Thatcher, esquire, of Sussex, by whom he had an only daughter, Anne.
John (or William), a priest.
Edward Sackville.
Joan Sackville, who married John Parker, esquire, of Willingdon, East Sussex.
Mildred Sackville, who married Sir William Fitzwilliam, of Gaynes Park Hall, Essex.
Mary Sackville, who married Robert Roberts, esquire, of Glastenbury, Kent.
Catherine Sackville, who married Sir John Baker of Sissinghurst, Kent.
Margaret Sackville, who married Sir Thomas Palmer.
Isabel Sackville (d. 21 October 1570), last prioress of St Mary's, Clerkenwell.
Constance Sackville (d. 29 March 1554), who married firstly, William Heneage (d. 10 June 1525), and secondly Sir Christopher More.
Career
During the early part of his career, Sackville resided and held office in Essex, where he was justice of the peace from 1513 to 1524, and a commissioner for the Subsidy in 1523 and 1524, but after his father's death in 1524 his career was confined to Sussex and Surrey. He was a justice of the peace in Sussex from 1524 until his death, was commissioner for the musters in Sussex in 1539, and served as Sheriff of Sussex and Surrey for two terms, in 1527–28 and 1540–41, before being elected to Parliament for East Grinstead, Sussex in 1542. In 1546–47 he again served as Sheriff of Sussex and Surrey.
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