This doesn't answer the question about YC, but adult web startup Zivity started with real Silicon Valley VCs behind them. It looks like that relationship didn't

This doesn't answer the question about YC, but adult web startup Zivity started with real Silicon Valley VCs behind them. It looks like that relationship didn't last though. http://www.dailyfinance.com/story/company-news/amicable-split-for-zivity-and-vc-investors/19109225/ http://www.dailyfinance.com/story/company-news/amicable-spli... http://techcrunch.com/2009/07/23/zivity-splits-employees-execs-venture-funding-into-two-companies/ http://techcrunch.com/2009/07/23/zivity-splits-employees-exe...