Question: What is the name of the Brothers who originally Started the band Chevelle and Wrote the Song Vitamin R? 
Sentence (from "Stoker (band)"): The current line up was established in 2013 when Redge (lead guitar) and Morgan O'Kennedy (drums) joined Chris (vocals, rhythm guitar) and Jurgen Bornman (bass), the latter two having originally started as a 3-piece with drummer Joe Theron.
Relevant evidence: No