By Muriel Howard, Knyvett had three sons and two daughters: •
Edmund (1508–1551), Sir Edmund (1508–1551), who by 1527 had married Anne Shelton (-1563/4), the daughter of Sir
John Shelton of
Carrow, Norfolk, and his wife, Anne Boleyn. Knyvet's wife was a sister of Madge and
Mary Shelton, and also a first cousin of
Anne Boleyn. Sir Edmund Knyvett and Anne Shelton had two sons according to most sources. After Sir Edmund's death, his widow remarried to Christopher Coote, Esq., of
Blo’ Norton. Anne's will mentions three children: • Edmund Knyvett • Henry Knyvett • Anthony Knyvett • Katherine who married firstly Sir William Fermor (d.1558) (
Sheriff of Norfolk and Suffolk in 1540 and son of Sir Henry Fermor of
East Barsham Manor in Norfolk and Margaret, through whom he was the half-brother of
Elizabeth Wood, Lady Boleyn and uncle of
John Astley. Her second marriage was to
Nicholas Mynne, Esquire, of
Walsingham Parva. • Ferdinand • Anne was
lady-in-waiting to
Queen Katherine of Aragon. who married firstly
Thomas Thursby of
Ashwicken (d. 1543) son of
Thomas Thursby (d.1510), merchant, thrice
mayor of
King’s Lynn and founder of
Thoresby College, in 1527; and 2) Henry Spelman (d. 1581), the son of
Sir John Spelman (d.1546), and the father of
Sir Henry Spelman and of Erasmus Spelman, whose son
Henry went to
Jamestown in the Colony of Virginia, by license dated 26 January 1543/4. •
Henry (died c. 1547) who married as her second spouse Anne Pickering, the widow of
Francis Weston. Anne would thirdly marry
John Vaughan, the nephew of
Blanche Parry. Their children were: •
Sir Henry Knyvet (1537–1598) of
Charlton Park, Member of Parliament. •
Katherine Knyvett (1564–1638) who married her third cousin
Thomas Howard, 1st Earl of Suffolk and is the ancestor of the
Earls of Suffolk and Berkshire. •
Elizabeth Knyvett (c.1570–1638) who married
Thomas Clinton, 3rd
Earl of Lincoln. • Frances Knyvet (1583–1605), first married Sir William Bevill, and secondly
Francis Manners, 6th
Earl of Rutland. • Anthony Knyvet, illegitimate son, pirate, slave and slave trader. • Anne Knyvet, illegitimate daughter, believed to by the same mother as Anthony. • Elizabeth Knyvett • Alice Knyvett and
Thomas Vavasour Four months after her husband's death, Muriel Howard died in childbirth between 13 and 21 December 1512. Their five orphaned children were brought up by their paternal grandmother, Eleanor Knyvett. The actress and theatre director
Sally Knyvette, who starred as
Jenna Stannis in the British science fiction TV series ''
Blake's 7'', is a direct descendant of Sir Thomas Knyvet. ==Death==