HeadingOtto, II., Schwaben, Herzog used in: Integrated Authority File (GND), Germany
Variant NameOtto, Lothringen, Pfalzgraf
Sources
Found inNDB/ADB-online
Otto II of Swabia [AnonymousUnknown author / File:StammtafelOttonen0002.jpg -- Public domain -- http://commons.wikimedia.org/wiki/File:Otto II of Swabia.jpg]