'''Joan Plantagenet of Lancaster''' ([[1312]] Norfolk, England -[[1345]]) was the daughter of [[Henry, 3rd Earl of Lancaster]]. She married [[John de Mowbray, 3rd Baron Mowbray]] and was the mother of [[John de Mowbray, 4th Baron Mowbray]].

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[[Category:1312 births]]
[[Category:1345 deaths]]