Johnnne was born in 1571.
https://www.familysearch.org/search/record/results?count=75&query=%2Bgivenname%3AJohnne~%20%2Bsurname%3AMillar~%20%2Bbirth_year%3A1560-1580~%20%2Bspouse_givenname%3AJonet~%20%2Bspouse_surname%3AStein~
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M > Millar > Johnnne Millar