Extract from the last Will and Testament of Sir John
Ramskill Twisden, Baronet, 29.11.1929.
   "11. I Bequeath to my Executors all my portraits of members of Twysden and Twisden family and of persons related to that family hereinafter called "my Family Portraits" UPON TRUST to deliver to the Trustees for the time being of the National Portrait Gallery to be exhibited there—
(First) either the two miniatures framed together of Sir William Twysden first Baronet of Roydon Hall and his Wife or in lieu thereof the portrait in oils of the same Sir William
(Secondly) one of the portraits of Sir Roger Twysden Second Baronet of Roydon Hall.
(Thirdly) One of the Portraits of Sir Thomas Twisden First Baronet of Bradbourne.
(Fourthly) One of the portraits of Dr. John Twisden their brother.
(Fifthly) The portrait of Colonel Matthew Thomlinson and (Sixthly) such other of my Family Portraits as the Trustees 

for the time being of the said Gallery may desire to have and subject to the foregoing bequests my Executors shall hold the remainder of my Family Portraits UPON TRUST for the Kent Archæological Society provided that my Executors shall be satisfied that such Society can make proper provision for their custody but if my Executors shall not be so satisfied or failing the acceptance thereof by the said Society my Executors shall hold the remainder of my Family Portraits UPON TRUST for the Corporation of Maidstone for their Museum upon the same conditions as to provision being made for their custody but in case my Executors shall not be satisfied as aforesaid or failing the
   ¹  Sources: The Family of Twysden and Twisden—their History and archives from an original by Sir John Ramskill Twisden, 12th Baronet of Bradbourne; completed by C. H. Dudley Ward, D.S.O., M.C. John Murray, Albemarle Street, London, W. 1939. "Catalogue of The Bradbourn Pictures" (Z.K. 1863) and the "Manuscript Catalogue compiled by Sir John Ramskill Twisden," 1912.