"Prince Frederick Henry Albert of Prussia (German: Friedrich Heinrich Albrecht; 4 October 1809 – 14 October 1872) was the fifth son and youngest child of King Frederick William III of Prussia and Louise of Mecklenburg-Strelitz. His parents had fled to East Prussia after the occupation of Berlin by Napoleon, and Albert was born in Königsberg. Two of Albert´s elder brothers were Frederick William IV, King of Prussia from 1840 till 1861, and William I, King of Prussia from 1861 to 1888 and German Emperor from 1871 until 1888." - (en.wikipedia.org 08.11.2019)