They belong to different communities with distinct histories and contemporary circumstances.

What they share — in the specific biological sense that the DNA analysis can identify — is a maternal ancestor somewhere in the chains of mothers and daughters and mothers and daughters that connect them all to Kwäday Dän Ts’ìnchi’s maternal line.

That shared ancestor might have been a woman alive a few generations before the man in the ice.

She might have been his own grandmother.

The DNA cannot specify more precisely than the general fact of shared maternal ancestry.