Complex sentence: Bogosian's great-grandfather, Stephen Bogosian, emigrated from modern Armenia in 1923 at the age of 16, and was the first Armenian to play in the NHL.
Split into simpler sentences: Bogosian's great-grandfather, Stephen Bogosian, emigrated from modern Armenia in 1923 at the age of 16. Bogosian was the first Armenian to play in the NHL.