Von Graben
Originally from Carniola, it was a cadet branch of the Gorizian dynasty, the Meinhardinians. The Von Graben originated in Carniola. the knight Conrad von Graben is mentioned in 1070 as the first reported member. He owned the old castle of Graben near Rudolfswerth (Novo mesto). The first member to emerge in history was Conrad of Graben († 1307), councilor of Styria. The Orsini-Rosenberg family is a junior branch of the Graben family, which began with Conrad II of Graben († before 1356), son of Conrad I, lord of Graben, Alt-Grabenhofen and Rosenberg.