Complex sentence: Eventually, his father resurfaced in 1980 to reveal that Ray's real father was Jock Ewing and he was accepted into the Ewing family with open arms (except for J.R., who still regarded Ray as "the help").
Split into simpler sentences: Eventually, his father resurfaced in 1980 to reveal that Ray's real father was Jock Ewing. Ray he was accepted into the Ewing family with open arms (except for J.R., who still regarded Ray as "the help").