Otto I, Duke of Pomerania (1279 – 31 December 1344) was

Duke of Pomerania-Stettin This is a list of the duchies and dukes of Pomerania. Dukes of the Slavic Pomeranian tribes (All Pomerania) The lands of Pomerania were firstly ruled by local tribes, who settled in Pomerania around the 10th and 11th centuries. Non-dynastic ...

. Youngest, and probably posthumous, son of Duke

Barnim I Barnim I the Good ( – 13 November 1278) from the Griffin dynasty was a Duke of Pomerania (''ducis Slauorum et Cassubie'') from 1220 until his death. Life Son of Duke Bogislaw II and Miroslava of Pomerelia, he succeeded to the Duchy of Pomeran ...

and his third wife, Mechtild of Brandenburg-Salzwedel, Otto became titular co-ruler at his birth, along with his elder half-brother Barnim II and his much older half-brother Bogislaw IV. Bogislaw was effectively sole ruler while Barnim and Otto were children, and it was not until 1294 that he shared power with his elder brothers. In 1295, with Barnim dead, the brothers divided Pomerania with Otto as ruler of

Stettin Szczecin (, , german: Stettin ; sv, Stettin ; Latin language, Latin: ''Sedinum'' or ''Stetinum'') is the capital city, capital and largest city of the West Pomeranian Voivodeship in northwestern Poland. Located near the Baltic Sea and the Po ...

while Bogislaw received

Wolgast Wolgast (; csb, Wòłogòszcz) is a town in the district of Vorpommern-Greifswald, in Mecklenburg-Vorpommern, Germany. It is situated on the bank of the river (or strait) Peenestrom, vis-a-vis the island of Usedom on the Baltic coast that can be ...

. In 1296 Otto married Elizabeth of Holstein, daughter of

Gerhard II, Count of Holstein-Plön Gerhard II of Holstein-Plön (1254 - 28 October 1312), nicknamed the Blind, was Count of Holstein-Plön from 1290 to 1312. Life He was the second son of Gerhard I, Count of Holstein-Itzehoe and Elisabeth of Mecklenburg. After his father's death ...

. Their children included

Barnim III Barnim III the Great (14 August 1368) was a Pomeranian duke from the Griffin dynasty. Life He ruled Pomerania-Stettin in the years 1344–1368, although he had been a co-regent of his father Otto I since 1320, taking a prominent part in the defenc ...

, future Duke of Pomerania, and Mechtild, who married John III, Lord of

Werle {{Infobox country , native_name = ''Herrschaft Werle'' ( de) , conventional_long_name = Lordship of Werle , common_name = Werle , era = Middle Ages , status = Vassal , empire = ...

. From 1320 his son Barnim (III) was co-ruler with Otto.

See also