There's no realationship between bitcoin and bitcoincash. What someone told that bcc (bch) was splitted from btc is wrong. They did it with the purpose of legitimizing the origin of the altcoin they created before (the fact that they created bcc before August 01) and want to use the event August 01 to told everyone that bcc is created from BTC then they push the price of bcc and sell them out. Then when people know the truth it's so late. People lost money and money has been fall into pocket of whales (who rumored)