Tancred Guiscard de Hauteville I & partner 
They had a son named Tancred.
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Children
Seigneur Tancred Guiscard de Hauteville II
Tancred was born in 0955 in Hauteville, Normandy, France.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I002350&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I031738&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I031738&style=TABLE