"In 1815 during Napoleon's Hundred Days, the then Crowned Prince commanded the Austrian III Corps which in one of the minor campaigns invaded France and besieged General Jean Rapp in Strasbourg.  ..."
 Siborne 1848, pp. 771–772.
William I of Württemberg, 1781-1864:
William I of Wurttemberg (1781-1864) on engraving from 1859.
Second King of Wurttemberg during 1816-1864.
Engraved by unknown artist and published in
Meyers Konversations-Lexikon, Germany,1859.