| Name | Birthday | Year | Age |
| HRH the Duke of Kent | 9 October | 1935 | 90 |
| HRH Princess Alexandra of Kent | 25 December | 1936 | 89 |
| HRH Prince Michael of Kent | 4 July | 1942 | 83 |
| HRH the Duke of Gloucester | 26 August | 1944 | 81 |
| HRH Princess Michael of Kent (Baroness Marie-Christine von Reibnitz) |
15 January | 1945 | 81 |
| HRH the Duchess of Gloucester (Birgitte van Deurs) |
20 June | 1946 | 79 |
| HM Queen Camilla (Camilla Parker Bowles, née Shand) |
17 July | 1947 | 78 |
| HM King Charles III | 14 November | 1948 | 77 |
| HRH Princess Anne, Princess Royal | 15 August | 1950 | 75 |
| HRH Prince Edward, Duke of Edinburgh | 10 March | 1964 | 61 |
| HRH the Duchess of Edinburgh (Sophie Rhys-Jones) |
20 January | 1965 | 60 |
| HRH the Princess of Wales (Catherine Middleton) |
9 January | 1982 | 44 |
| HRH Prince William, Prince of Wales | 21 June | 1982 | 43 |
| HRH Princess Beatrice, Mrs Mapelli Mozzi | 8 August | 1988 | 37 |
| HRH Princess Eugenie, Mrs Brooksbank | 23 March | 1990 | 35 |
| HRH Prince George of Cambridge | 22 July | 2013 | 12 |
| HRH Princess Charlotte of Cambridge | 2 May | 2015 | 10 |
| HRH Prince Louis of Cambridge | 23 April | 2018 | 7 |
2002 (Elizabeth II's Golden Jubilee)
1992 (Elizabeth II's 40th Anniversary)
1977 (Elizabeth II's Silver Jubilee)
1952 (Elizabeth II's Accession)
1936 (George VI's Accession)
1936 (Edward VIII's Accession)
1935 (George V's Silver Jubilee)
1917 (George V's Proclamation of the House of Windsor)