"Casimir II (also spelled Kasimir II) (Polish: Kazimierz II pomorski) (c. 1180 – 1219) was the duke of Pomerania-Demmin from 1187 until his death. He was ...
succeeded by Wartislaw III, Casimir's son with princess Ingardis of Denmark.
Casimir II was the son of Bogislaw I and Anastasia, a daughter of the Polish duke Mieszko III. After his father's death in 1187, Casimir received Pomerania-Demmin as his share of the duchy of Pomerania, after his older brother Bogislaw II had received the other part duchy Pomerania-Stettin and his other older brother, Wartislaw II, who is assumed to have received Pomerania-Demmin from their uncle, Casimir I in the first place, had died in 1184." - (en.wikipedia.org 11.08.2021)
