frederick ii of brandenburg

In OTL, Friedrich II Irontooth, second Hohenzollern elector of Brandenburg, would go on to marry Friedrich I of Saxony's daughter Catherine, a relationship where he'd have three children. Dorothea, who married Johann V of Saxe-Lauenburg, Margaret, who married Bogislaw X of Pommerania, and...

the 15th Century was perhaps...the most interesting in terms of European affairs. While Central Asia had been peaceful since the fall of the Timurid Dynasty and East Asia ever since the Ming Conquests of the Yuan Dynasty, Europe was still embroiled in the wars that had consumed them centuries...

So, I've been reading up on Hedwig Jagiellon, daughter of Władysław II of Poland and bethrothed wife of Brandenburger heir and the future Margrave of Brandenburg Frederick II. While reading into her via Wikipedia, I discovered this little tidbit right here : Later on, Hedwig would die under...