User blog comment:Read Books/Wondering?/@comment-25413768-20141102200542

I tried it with my Kouji Uchiha, his father was an Uchiha who had a one night stand with his mother. She left the village after the massacure, not knowning she was pregnant.

You can read more if you want here http://narutooriginals.wikia.com/wiki/Kouji_Uchiha

I'd like a little feedback. Really, he's just and experiment, like you're doing. To create a semi-believeable timeline Uchiha.