Qarinvand dynasty
The Qarinvand dynasty (also spelled Karenvand and Qarenvand), or simply the Karenids, was an Iranian dynasty that ruled in parts of Tabaristan (Mazandaran) in northern Iran from the 550s until the 11th century. They considered themselves as the inheritors of the Dabuyid dynasty, and were known by their titles of Gilgilan and Ispahbadh.