In Oct 2020, Gay Brennan established that the Wyndhams are not ancestors of the Newmans as used to be thought. See note on Dinah Wyndam's page.

Sir Thomas Wyndham: Vice-Admiral of England. Attended Henry VIII as one of the knights of his body at the siege of Therouene and Tournay.
[The Wyndham Website list the marriage to Lady D'Arcey (aunt to Jane Seymour), as being second marriage of the son, Sir Edmund Wyndham, and thus producing the son, Thomas Wyndham, however Burke's has Lady D'Arcy as Sir Thomas Wyndham's second marriage, and Thomas Wyndham, Admiral.]

Sources: Hand-written notes from an unknown source passed down from Harold Ernest Montague Newman
Website: http://www.bellucci.com/melonbel/genealogy/royalmatilda.html
Website: http://www.geocities.com/cromerhistory/wyndham_tree.htm
Burke's , The Landed Gentry

Eleanor Scrope:
Born: Unknown
Died: Unknown
Father: Sir Richard Scrope, Knight of Upsal, Yorkshire, England
Mother: Lady Eleanor Wellsborn (daughter of William Wellsborn)
Married: Sir Thomas Wyndham
Children: Sir John Wyndham; Sir Edmund Wyndham (who obtained large grants of confiscated abbey lands from Henry VIII; his son was Sir Francis Wyndham, Judge of Common Pleas), Margaret Wyndham, and two other daughters
Notes:

Source:
Website: http://www.bellucci.com/melonbel/genealogy/royalmatilda.html
Burke's , The Landed Gentry

Sir Edmund Wyndham: obtained large grants of confiscated abbey lands from Henry VIII; his son was Sir Francis Wyndham, Judge of Common Pleas);

Elizabeth Wentworth: widow of Sir Roger D'Arcey and daughter of Sir Henry Wentworth, Knight of Bath, of Nettlested.