<page_title> List of rulers of Bavaria </page_title> <section_title> Table of rulers </section_title> <table> <cell> The six sons of Louis IV, ruled jointly until 1349, when they divided the land: Louis V, Louis VI and Otto VII kept Upper Bavaria; William, Albert and Stephen Lower Bavaria. <col_header> Notes </col_header> </cell> <cell> William I the Mad <col_header> Ruler </col_header> </cell> <cell> 12 May 1330 <col_header> Born </col_header> </cell> <cell> 15 April 1389 <col_header> Death </col_header> </cell> <cell> Bavaria-Straubing <col_header> Ruler </col_header> </cell> </table>
William I, was the Duke of Bavaria-Straubing (12 May 1330 – 15 April 1389), and was one of the sons of Louis IV.