Background
He was the second son of Duke WartislawIV of Pomerania-Wolgast and the brother of Bogislaw V and Wartislaw V.
He was the second son of Duke WartislawIV of Pomerania-Wolgast and the brother of Bogislaw V and Wartislaw V.
He inherited Pomerania-Wolgast-Rügeneral when his father died in 1326. He was one year old at the time. Emperor Charles IV granted Barnim IV Imperial immediacy in 1348.