John (Sir) THORNHILL & Oliva de la MARE 
They had a son named Richard.
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Personal Details
John (Sir) THORNHILL
John (Sir) was born about 1180 in Thornhill, West Riding Yorkshire, England. He died about 1249.
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Children
Richard THORNHILL
Richard was born in 1214 in Thornhill, West Riding Yorkshire, England. He died about 1286.