) wearing Plunket's family tiara, 3 January 1973 In March 1948, Plunket was appointed temporary
equerry to
King George VI. He was appointed equerry to the new
Queen Elizabeth II shortly after her accession in August 1952. On 4 May 1954, he was appointed
Deputy Master of the Household, a post he held until his death. He enjoyed a close friendship with Queen Elizabeth II, he has been described 'the nearest thing to a brother to the Queen'. In 1961, he became godfather to
Princess Margaret's son
Viscount Linley. On 8 September 1957, he was promoted to the rank of
major and later to the rank of
lieutenant-colonel on 8 April 1969. On 3 January 1973, Plunket lent his family tiara to the Queen when hers broke en route to the “Fanfare for Europe” gala at the
Royal Opera House in
Covent Garden. Plunket was a trustee of the
Wallace Collection and the
National Art Collection Fund. ==Death==