Complex sentence: Oshin (1282--July 20,1320) was king of the Armenian Kingdom of Cilicia, ruling from 1307 to 1320 and a member of the Hetoumid-family.
Split into simpler sentences: Oshin (1282--July 20,1320) was king of the Armenian Kingdom of Cilicia, ruling from 1307 to 1320. He was a member of the Hetoumid-family.