Beats me!the title says it..!
OOh I thought his grampa was his sister..His parents fathers......
:shrug:i thought his grampa was kushinaOOh I thought his grampa was his sister..
I wrote that because one kid was like "his grampa is his dad's parent":shrug:i thought his grampa was kushina
oh well
then his parents father must definetely be his grampa
i solved the problem:sasuke: is minato's dad
he went back in time to do minato's momU_U