Complex sentence: Ash, Pablo and Kelly then search the town for Ruby's whereabouts and in the process, Ash is reunited with his estranged father Brock Williams, who disowned him because he believes Ash killed his sister Cheryl at the cabin thirty years ago.
Split into simpler sentences: Ash, Pablo and Kelly then search the town for Ruby's whereabouts and in the process, Ash is reunited with his estranged father Brock Williams. Who disowned him because he believes Ash killed his sister Cheryl at the cabin thirty years ago.