What cousin of Herman I, Duke of Swabia also had a chance to rule the Duchy of Franconia?
Herman I, Duke of Swabia Herman I (died 10 December 949) was the first Conradine Duke of Swabia (from 926), the son of Gebhard, Duke of Lorraine, and a cousin of King Conrad I of Germany.
German throne dispute The German throne dispute or German throne controversy (German: "Deutscher Thronstreit" ) was a political conflict in the Holy Roman Empire at the end of the 12th and beginning of the 13th centuries. This dispute between the House of Hohenstaufen and House of Welf was over the successor to Emperor Henry VI who had just died. After a conflict lasting almost 20 years the Hohenstaufens gained the upper hand in the guise of Frederick II.