Comte Louis de Montbeliard II & Sophia of Bar-le-duc 
They had a son named Thierry.
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Personal Details
Comte Louis de Montbeliard II
Louis was born in 1019 in Mousson, Bar Alsace, France.1 He died at the age of 48 in 1067.2
Sophia of Bar-le-duc
Sophia was born in 1018 in Bar-le-Duc, Meuse, Lorraine, France.3 She died at the age of 74 on January 21st, 1092.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=gilead07&id=I184357
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I9866&style=TABLE
3 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=michaelrneuman&id=I021607
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I9866&style=TABLE
3 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=michaelrneuman&id=I021607