Frederick was the last Burgrave of Nuremberg from 1397 to 1427, Margrave of Brandenburg-Ansbach from 1398, Margrave of Brandenburg-Kulmbach from 1420, and Elector of Brandenburg from 1415 until his death. He became the first member of the House of Hohenzollern to rule the Margraviate of Brandenburg.
Burgrave Frederick, 15th century portrait
Sigismund of Luxembourg was Holy Roman Emperor from 1433 until his death in 1437. He was elected King of Germany in 1410, and was also King of Bohemia from 1419, as well as prince-elector of Brandenburg. As the husband of Mary, Queen of Hungary, he was also King of Hungary and Croatia from 1387. He was the last male member of the House of Luxembourg.
Sigismund's first wife, Queen Mary of Hungary (Chronica Hungarorum, 1488)
King Sigismund of Hungary (Chronica Hungarorum, 1488)
Campaign of King Sigismund of Hungary against the rebellious House of Horvat in 1387 (Chronica Hungarorum, 1488)