Adolph VIII, Count of Holstein
Adolphus XI of Schauenburg, as Adolph I Duke of Schleswig, and as Adolph VIII Count of Holstein-Rendsburg, was the mightiest vassal of the Danish realm.
Seal of Adolf VIII dating from around 1447
The following is a list of jarls and dukes, who ruled over Schleswig respectively Southern Jutland (Sønderjylland).
Image: Oluf hunger
Image: Knut Lavard
Image: Valdemar 1. den Store
Image: Christophorvs filivs Waldemari primi