Grjotgard Herlaugsson & partner 
They had a son named Haakon.
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Children
Haakon Grjotgardsson
Haakon was born in 0838 in Hlade, Trondheim, Sor-Trondelag, Norway.2 He died at the age of 79 in 0917 in Strongfjorden, Norway.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I9792&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I33679&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I33679&style=TABLE