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Male Pierre I Sire de GRANDSON Click to view Pierre I Sire de GRANDSON in the family tree

Pierre I Sire de was born in 1190 in Neuchatel NE, Switzerland.  Pierre I Sire de's father was Ebal IV Sie de GRANDSON and his mother was Beatrix de GENEVA.  His paternal grandparents were Ebal III Sire de GRANDSON and Jordane UNKNOWN; his maternal grandparents were Amadeus I Count of GENEVA and Miss von DOMENE.  He was an only child.  He died at the age of 68 in 1258.


Pierre I Sire de's family with Agnes  NEUCHATEL

They had a son named Amadeus de.