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Female Dionisia de Plessets Click to view Dionisia de Plessets in the family tree

Dionisia de was born about 1265 in Hook Norton, Oxfordshire, England.  Dionisia de's father was Hugh de Plessis , Sir Knight and her mother was Joan de Hoyville.  Her paternal grandparents were John de Plessis , 8th Earl of Warwick and Christian de Sandford; her maternal grandfather was Hugh de Hoyville. She had two sisters named Christine De and Margaret de.  She was the youngest of the three children. She had a half-sister named Alice de.

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