John Sackville, Esq. MP (born before 17 March 1484 – 27 September 1557) was an English nobleman and Member of Parliament for East Grinstead. He was born in Sussex, England to Richard Sackville and Isabel Digges. He was married twice, first by the year 1507 to Margaret Boleyn, the daughter of Sir William Boleyn of Blickling and Lady Margaret Butler. They had six children. His second marriage was to Anne Torrell, daughter of Humphrey Torrell of Willingale Doe and Alice Leventhorpe. No children were born from his second marriage.
Children by Margaret Boleyn

Christopher Sackville (born about 1514) married Constance Colepepper
Richard de Sackville (1516 – 21 April 1566) married Winifred Brydges
Isabel Sackville (born about 1518) married Richard Ashburnham
Ann Sackville (born about 1521) married Nicholas Pelham
Maria Sackville (born about 1524 – 30 June 1571) married John Lunsford
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