| Name | Born | |
| Prince Philip, Duke of Edinburgh | 10 June | 1921 |
| Queen Anne of Romania (neé Princess of Bourbon-Parma) | 18 September | 1923 |
| Prince Michel of Bourbon-Parma | 4 March | 1926 |
| Christian Castenskiold | 10 July | 1926 |
| Dagmar Castenskiold Bitsch | 11 September | 1931 |
| Prince Michael of Greece | 7 January | 1939 |
The last surviving grandchild of King Christian IX was Princess Margrethe of Denmark, wife of Prince René of Bourbon-Parma, who was born September 17, 1895 and died September 18, 1992.
The last surviving descendant of King Christian IX born during his lifetime was his great-granddaughter Princess Olga of Greece, wife of Prince Paul of Yugoslavia, who was born June 11, 1903 and died October 16, 1997.