Petrissa von Zähringen was born 1095 to Berthold II. von Zähringen (c1050-1111) and Agnes von Rheinfelden (c1065-1111) and died 1115 of unspecified causes. She married Frédéric I de Ferrette (c1087-1160) .
Petrissa von Zähringen was born 1095 to Berthold II. von Zähringen (c1050-1111) and Agnes von Rheinfelden (c1065-1111) and died 1115 of unspecified causes. She married Frédéric I de Ferrette (c1087-1160) .