On 24 August 1936, her engagement to Count Luitpold of Castell-Castell, eldest child and son of Count Otto Friedrich of Castell-Castell and his wife, Princess Amélie of Löwenstein-Wertheim-Freudenberg, was announced by special permission of Alexandrine-Louise's uncle Christian X of Denmark.[1][2][3] The couple had met for the first time in Berlin during the 1936 Summer Olympics.[3] Following their first meeting, Luitpold and Alexandrine-Louise spent nearly every day together.[3] Before her departure from Berlin, Luitpold proposed marriage and Alexandrine-Louise accepted.[3] At the time of their engagement announcement, Luitpold was a law student residing in Munich.[3]
Amélie Alexandrine Helene Caroline Mathilde Pauline (b. Berlin 25 May 1938); m. Hochburg (civil) 3 September 1965 (religious) 5 September 1965 Oscar Ritter von Miller zu Aichholz (b. Vienna 7 July 1934) has issue
Thyra Antonie Marie-Therese Feodora Agnes (b. Berlin 14 September 1939); m. Copenhagen 3 November 1961 Karl Moritz Moes (b. Copenhagen 17 October 1937) has issue
Otto-Luitpold Gustav Friedrich Christian Harald Carl (Berlin 13 March 1942 – Berlin 19 March 1943)
Bramsen, Bo (1992). Huset Glücksborg. Europas svigerfader og hans efterslægt [The House of Glücksburg. The Father-in-law of Europe and his descendants] (in Danish) (2nd ed.). Copenhagen: Forlaget Forum. ISBN87-553-1843-6.
1 Also princess of Norway 2 Also princess of Greece 3 Also princess of Iceland 4 Not Danish princess by birth, but created princess of Denmark Princesses that lost their title are shown in italics