Mezue ahịrịokwu na-esonụ: Ascanian nke Saxe-Wittenberg nwụrụ anwụ na ọnwụ nke Elector Albert III na 1422, mgbe nke ahụ gasịrị, Emperor Sigismund nyere mba ahụ na ihe ùgwù ntuli aka na Margrave Frederick IV nke Meissen, onye bụ onye na-akwado iguzosi ike n'ihe na
Agha Ndị Hussite. Onye ikwu Albert nwụrụ anwụ nke Ascanian, Duke Eric V nke Saxe-Lauenburg mere mkpesa n'efu. Frederick, otu n'ime ndị isi asaa ahụ, bụ onye otu ụlọ nke Wettin, nke kemgbe 1089 chịrị n'akụkụ Margravate nke Meissen n'elu osimiri Elbe - nke e guzobere n'okpuru Emperor Otto I na 965 - yana Landgravate nke Thuringia kemgbe 1242. Ya mere, na 1423, Saxe-Wittenberg, Margravate nke Meissen na Thuringia jikọtara n'okpuru otu onye ọchịchị, na dị ka ókèala dị n'otu nke nta nke nta bịara mara dị ka, "Upper Saxony".