https://twitter.com/Mike_P_Williams/status/1380931502729527303
Prince Philip holds the hand of John F. Kennedy Jr. at the unveiling of the Kennedy Memorial in Runnymede, Surrey on 14 May 1965. He and The Queen were joined by Lord Harlech, former First Lady Jacqueline Kennedy, her children, Caroline and John Jr., and Robert and Edward Kennedy.
https://margaretroses.tumblr.com/post/160475128299/prince-philip-holds-the-hand-of-john-f-kennedy