Baron William de Cathcart & wife 
William and <Unknown> were married in 1299 in Cathcart, Renfrewshire, Scotland.1 They had a son named Alan.
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Personal Details
Baron William de Cathcart
William was born in 1269 in Cathcart, Renfrewshire, Scotland.1 He died at the age of 40 in December 1309.1
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Children
Sir Alan de Cathcart
Alan was born in 1300 in Cathcart, Renfrewshire, Scotland.2 He died at the age of 36 on August 14th, 1336.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I3138&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I4516&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=bevangenealogy&id=I4516&style=TABLE