On his death he was buried at Feltwell, Norfolk. He had married Elizabeth, the daughter and co-heiress of Nathaniel Bacon of Stiffkey, Norfolk, with whom he had 2 sons and a daughter:[1]
Nathaniell Knyvett of Denver in Norfolk, second son. His will was proven 17 December 1659, he was then residing at Intwood. He married Margaret Vernatti of Delft in Holland, and had Nathaniell Knyvett of Denver in Norfolk, gentleman, will proven 15 Februar 1672/3, s.p.; Elizabeth, eldest daughter, who married John Ayde; Adriana; and Margaret who marriet Robert London of Aldeby[3]