Love the source 'Courtesy of fantastically full family tree ' on the Of_Germany-41 profile!! lol
That merge should not happen since Of_Germany-41 is a different person: He is Konrad I, from the family of Konradiner, the first non-Carolingian to rule East Francia.
Here is a genealogy based on Europäische Stammtafeln: Stammliste der Konradiner