Rubuta ci gaba don wannan sakin layi - Layin Ascanian na Saxe-Wittenberg ya mutu tare da mutuwar Elector Albert III a 1422, bayan da Sarkin sarakuna Sigismund ya ba da ƙasar da kuma gatan zaɓe ga Margrave Frederick IV na Meissen, wanda ya kasance mai goyon baya mai aminci a cikin Hussite Wars
Ka yi haƙuri. Marigayi dan uwan Albert na Ascanian, Duke Eric V na Saxe-Lauenburg ya yi zanga-zanga a banza. Frederick, ɗaya daga cikin Yarima bakwai masu zaɓe, ya kasance memba na gidan Wettin, wanda tun 1089 ya yi mulki a kan Margravate na Meissen da ke kusa da kogin Elbe - wanda aka kafa a ƙarƙashin Sarkin sarakuna Otto I a 965 - da kuma a kan Landgravate na Thuringia tun 1242. Don haka, a cikin 1423, Saxe-Wittenberg, Margravate na Meissen da Thuringia sun haɗu a ƙarƙashin mai mulki ɗaya, kuma a matsayin yanki mai haɗin kai a hankali ya zama sananne, "Upper Saxony".