Thomas Katherine 
Robert John
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| Robert John
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Thomas Cumberworth
1295, Grantham, Lincolnshire England - bfr 1374, Somerby, Lincolnshire England
Katherine (unknown)
1300, England - aft 1386
Married: ?? - ??
Robert Cumberworth, MP
1322, England - 1405, Somerby, Lincolnshire England
John Cumberworth
?? - aft 1405