Earl Hugh of Ross & Countess of Ross Matilda Bruce 
They had a son named William.
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Personal Details
Countess of Ross Matilda Bruce
Matilda was born in 1205 in Annandale, Dumfrieshire, Scotland.2 She died in Ward, Northumberland, England.1
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I45413&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=bevangenealogy&id=I11214
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=bevangenealogy&id=I11214