After the death of Rudolf IV, his brothers,   Albert III and Leopold III, pursued lost Habsburg territory in Switzerland. Those territorial  conflicts led the Habsburg family to civil war.

鲁道夫四世死后，他的兄弟阿尔贝三世和利奥波德三世在瑞士追逐失去的哈布斯堡王朝领土。这些领土冲突导致哈布斯堡家族陷入内战。