One translation says Tobirama wanted to investigate the Sharingan, the other one says Zetsu hid the body. Which one is it?

Additionally, is Zetsu supposed to be the love child of Kaguya and the Chakra tree? If Indira and Ashura are SotSP kids, what happened to their uncle?

Please don't tell me that Obito is actually the uncle now, or worse that Sakura has the power of Kaguya >_<

Edit: Actually, maybe the uncle was the one that started the Byakugan line. So where is the Byakguan representative now, since Neji is dead?