William Lytton of Knebworth

William Lytton is found in several family wills
1486 will of Agnes, widow of John Paryes, now wife of Robert Lytton. In this will, he is married to her daughter Agnes Paryes.
1492 will of his grandfather Thomas Rede
1493 Several court cases be relatives of John Pareys to get their inheritance back as Agnes has died.
1503 will of his cousin Richard Lytton, clerk to his father Sir Robert Lytton
1505 will of his father Sir Robert Lytton [his wife Audrey is also mentioned]
1505 will of his uncle Sir Christopher Lytton

<https://discovery.nationalarchives.gov.uk/details/r/C7460091>
Reference: C 1/197/5
Date: 1493-1500
Short title: Dunce v Lytton.
Plaintiffs: Richard Dunce, citizen and grocer of London, and Agnes, his wife.
Defendants: Sir Robert Lytton, knight, late the husband of Agnes, late the wife of John Parys, and William, his son, late the husband of Agnes, daughter of John Parys.
Subject: Detention of deeds relating to tenements in St Mary's Mattfelon, Holborn, St Botolph's beside Billingsgate and Allhallows, Lombard-Street, belonging to the said John Parys. London

<https://discovery.nationalarchives.gov.uk/details/r/C7461613>
C 1/227/2
Date-1493-1500
Short title: Tomson v Lytton.
Plaintiffs: Robert Tomson, son of Avyse, sister of John Pareys.
Defendants: William Lytton.

Subject: Messuages and lands in Greenwich and elsewhere.
Kent.
4 documents
<https://discovery.nationalarchives.gov.uk/details/r/C7464224>
Reference c 1/287/68
Date: 1505-1515
Plaintiffs: Thomas Barker and Agnes, his wife, daughter of William and Emma Johnson.
Defendants: William Lytton, son of Robert Lytton, knight, late husband of Agnes, wife of John Parys, of London, pewterer.
Subject: Bequest by John Parys, uncle of the said Emma and father-in-law of the said Robert.
London.

From the book "A Genealogical and Heraldic History of the Commoners of Great Britain and Ireland, by John Burke, publ. 1835: William de Lytton of Knebworth, Governor of the Castle of Bulloigne in France, and Sheriff for the counties of Herts and Essex, who wedded Audtrey, daughter and heiress of Sir Phillip Booth of Shrubland Hall, Suffolk, by Margaret, daughter of Sir Witten Hopton of Swillington, was survived by a son, Sir Robert Lytton, Knight, of Knebworth and Shrubland Hall.