Question: are brambleclaw and squirrelflight related?
Answer: Squirrelflight's mother is Sandstorm, who's father is Redtail, who's sister is Leopardfoot, who's son is Tigerstar, who's son is Brambleclaw. Squirrelflight and Brambleclaw share a pair of great grandparents, who would be Adderfang and Swiftbreeze.