Originally Posted by DRAGONBPY
^I meant Nagato's uzumaki dna allowed Madara's EMS to unlock Rinnegan. It's possible that Madara gave his eyes to Nagato who awakened it. It never said Madara used rinnegan before he died
Edo-Madara wasn't shown to have any uzumaki dna but hashirama face popping out in his chest.. but yet he do have rinnegan..
Edit: apacolpz, got that thanks.