William II, Princely count of Henneberg-Schleusingen Princely count of Henneberg-Schleusingen (1415–1444) Parents Anna of Brunswick-Göttingen William III Count of Henneberg-Schleusingen Children Johann II. von Henneberg-Schleusingen Gräfin Margarethe von Henneberg-Schleusingen William III, Princely Count of Henneberg-Schleusingen Siblings Heinrich XI. Partners Catherine of Hanau