John MacGREGOR 
He had a biological son named Malcolm I .
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Personal Details
John MacGREGOR
John was born after 1100 in Glenorchy, Scotland. He died after 1150 in Glenorchy, Scotland.
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Children
Malcolm I MacGREGOR
Malcolm I was born about 1149 in Dalmally, Glenorchy, Scotland. He died after 1200 in Dalmally, Glenorchy, Scotland.