SOURCE-13046Research NeededProbable
"Notes and Documents, the Parentage of Gundrada, Wife of William of Warren |edit...
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"Notes and Documents, the Parentage of Gundrada, Wife of William of Warren |editor1-last=Creighton MA LLD|editor1-first=Rev Mandell|journal=The English Historical Review|year=1888 |volume=III|publication-place=London |publisher=Longmans, Green and Co|dateaccessed=14 July 2014 |repository=Archive.org |url=https://archive.org/stream/englishhistorica03londuoft#page/680/mode/2up|pages=680-701