Due to her father’s marriages, Amalia had 5 siblings, 4 being born as half-siblings: Duchess Frederica, Duke Nikolaus Friedrich, Duke Alexander, Duke August, and Anton Gunther Friedrich Elimar. Marriage. On 22 December 1836, Duchess Amalia of Oldenburg married King Otto Friedrich Ludwig in Oldenburg.
Duchess Louise of Mecklenburg-Strelitz (Luise Auguste Wilhelmine Amalie; 10 March 1776 – 19 July 1810) was Queen of Prussia as the wife of King Frederick William III. The couple's happy, though short-lived, marriage produced nine children, including the future monarchs Frederick William IV of Prussia and Wilhelm I, German Emperor .