Roger de Clare : Oxford Biography Index entry

The Oxford Biography Index is an authoritative and accurate index of notable people – their names, their dates, and their fields of activity.

Oxford Biography Index entry

Roger de Clare

Clare, Roger de, second earl of Hertford (d. 1173), magnate

Oxford Biography Index Number 101005449 [what is this?]
http://www.oxforddnb.com/index/101005449 Primary authority: Oxford DNB

Richard Mortimer, ‘Clare, Roger de, second earl of Hertford (d. 1173)’, first published Sept 2004, 830 words

http://dx.doi.org/10.1093/ref:odnb/5449

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