About Eva Marshal, Baroness Abergavenny
"Eva Marshal was a Cambro-Norman noblewoman and the wife of the powerful Marcher lord William de Braose. She was the daughter of William Marshal, 1st Earl of Pembroke, and the granddaughter of Strongbow and Aoife of Leinster.

She held de Braose lands and castles in her own right following the public hanging of her husband by the orders of Llywelyn the Great, Prince of Wales."

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Links:

http://en.wikipedia.org/wiki/Eva_Marshal

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=57583966

http://www.genealogy4u.com/genealogy/getperson.php...amp;tree=western2007

http://www.genealogy4u.com/genealogy/getperson.php...amp;tree=western2007

http://histfam.familysearch.org/getperson.php?pers...EuropeRoyalNobleHous

http://histfam.familysearch.org/getperson.php?personID=I2459&tree=Nixon

http://histfam.familysearch.org/getperson.php?personID=I26280&tree=Welsh

http://www.thepeerage.com/p63.htm

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http://www.wikitree.com/wiki/Marshal-130