John I De+ Haverington & Joan+ Dacre 
They had two sons named John II+ De and Robert De+.
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Personal Details
John I De+ Haverington
John I De+ was born in 1281 in Haverington, Cumberland, England. He died at the age of 66 on July 2nd, 1347 in Aldingham, Cumberland, England.
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Children
John II+ De Haverington
John II+ De was born in 1304 in Aldingham, Lancaster, England. He died at the age of 55 in 1359 in Aldingham, Lancaster, England.