Leopold IV References Leopold IV duke of Austria Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Austria/ Early Babenberg period…Welfs, on his half brother, Leopold IV. After the latter’s untimely death, Henry II Jasomirgott succeeded to the rule of Austria and Bavaria. Read More…Welfs, on his half brother, Leopold IV. After the latter’s untimely death, Henry II Jasomirgott succeeded to the rule of Austria and Bavaria. Read More