He was the first of the Thynne 'dynasty' – the family name was Thynn or Thynne in the 16th century, later consistently Thynne, but the present head of the family reverted to the spelling Thynn in the 1980s.
Adrian Gaunt, Alan Maynard, Robert Smythson, grof Hertford in Humpfrey Lovell so prispevali k novi stavbi, vendar je večina zasnove delo Sira Johna.