Board Thread:Theories and Speculation/@comment-5060540-20200422213933/@comment-32685487-20200521014928

Yup and Chapter 606 Black Zetsu outright states that Nagato is of the Senju Bloodline which is another reason why only he and Madara can summon the Mazo.

https://1.bp.blogspot.com/-tPI_WRrtASk/XekRtudo_7I/AAAAAAAAP_s/Mi47mNL6uFsY0wYDX2rrFCyZrpURZAyxwCLcBGAsYHQ/s1600/012.webp

Also, watch your attitude Consus.