Edmund married Audrey Coke, October 23, 1606, at Mileham, Norfolk.

National Archives (UK)
Reference: KNY 633-636 372 x 5
Edmund Knyvett (Porter of the Mint), son, (Thomas)
One letter written during a religious conversion deploring his former life and stating that 'for tabacco I have asuredly left it'. Others listing his debts and referring to his intention of going to Spain with Sir Charles Cornwallis, re his uncle's mental health and his own misfortunes, (1604 and undated).

Reference: KNY 620,621 372 x 5
Edmund Knyvett (Porter of the Mint) Re lawsuit and unfriendliness of sister Katherine Paston. Mentioning his 'banishment', (1611 and undated)

Reference: KNY 667 372 x 5
Edmund Knyvett, Tower of London, (Porter of the Mint), son, (Thomas)
Requesting £100 p.a. to gain repute and be fitted for other preferment and detailing his living expenses, (nd).

Reference: KNY 799 372 x 6
Edmund Knyvett (Porter of the Mint), a kinsman, Thomas
Complaining of 'The mysery thatt I stande in by flyntes manes' and requesting help from London where he was expecting arrest, (nd).

Reference: KNY 801,802 372 x 6
Edmund Knyvett (Porter of the Mint)
Tower of London, to a sister, asking her to persuade their father to allow him £100 p a and mentioning visit of the King and Lord Haye's marriage, (1617 and undated).

Reference: KNY 755,756
Edmund Knyvett, (Porter of the Mint), Tower of London, uncle
Family quarrel between Sir Thomas Knyvett and Lady Bacon, and loans, (1617, 1622).

Reference: KNY 478-480 372 x 1
Acknowledgements of receipt
By Edmund Knyvett gent. of the Tower of London of Thomas Knyvett Esq. of Ashwellthorpe of annuity from the manor of Hapton, 1620, 1626, 1627. The 1626 acknowledgement also contains a quitclaim of actions in respect of the annuity, (1620-1627).

Reference: KNY 483 372 x 1
Acknowledgement of receipt by Edmund Knyvett gent. of London from Thomas Knyvett Esq. of Ashwellthorpe of £15 in part payment of annuity, with note re production, (1623).

Reference: KNY 485 372 x 1
Acknowledgement of receipt by Edmund Knyvett from Thomas Knyvett of £105 annuity arears, (1626).

Reference: KNY 803 372 x 6
Edmund Knyvett (Porter of the Mint) Tower of London
To John Hullings entreating him to persuade his master to send the money owing him, (1628).