Была Луиза Августа Вильгельмина Амалия Мекленбургская в родстве с императором России?
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 German Emperor Wilhelm I.
Queen of Prussia