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Male Pierre I de Grandison Click to view Pierre I de Grandison in the family tree

Pierre I was born about 1190 in Neuchatel, Switzerland.  Pierre I's father was Ebal IV de Grandison and his mother was Beatrice de Genevre.  His paternal grandparents were Ebal III de Grandison and UNKNOWN Jordane; his maternal grandparents were Amadeo I de Genevre and Mathilde von Domene de Cuiseaux.  He was an only child.


Pierre I's family with Agnes de Neuchatel

They had two sons named Amedee and William.

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