Robert Agnes 
John William
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| John William
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Robert de Saint John, 2nd baron of Basing
abt 1199, Hampshire, Portchester Castle England - March 7, 1266, Hampshire, Basing England
Agnes Cantilupe
abt 1202, Warwickshire England - ??
Married: ?? - ??
John Saint John
abt 1225, Hampshire England - September 29, 1302
William Saint John
abt 1227, Lincolnshire England - March 9, 1253