1. Nils Olsson 1, 2, 3, 4 was born about 1618 probably in Brännebacken, Karlskoga, Örebro, Sweden.
Nils married Kerstin 1 about 1643 probably in Karlskoga, Örebro, Sweden. Kerstin was born about 1622 probably in Ölsdalen, Karlskoga, Örebro, Sweden.
[Notes]
They had the following children:
+ 2 M i Erik Nilsson + 3 M ii Per Nilsson