Direct Lineage between Madara, Sasuke and Itachi

[minamoto]

He could be the decendants of one of Madara's cousins. Assuming he had any.

thats problem madara never had kids..

 

[salamander uchiha]

He could be the decendants of one of Madara's cousins. Assuming he had any.

That wouldn't explain my ancestor, an ancestor is only through direct lineage. In all honesty the only reason Obito had an overpowered MS is, because he's of Madara's lineage.