960: Doge of Venice Pietro IV Candiano reconvened the popular assembly and had it approve of a law prohibiting the slave trade
Giovanniccia Candiano, also called Giuliana, was a Dogaressa of Venice by marriage to the Doge Pietro IV Candiano (r. 959-976) and mother of Vitale Candiano.
Pietro IV intervened to save his father's life and exiled him with a small group of followers to Ivrea, where the Margrave Guy took him to his father, the king of Italy, Berengar II.
Valdrada (Gualdrada) of Tuscany (died 997), was a Dogaressa of Venice by marriage to the Doge Pietro IV Candiano (r. 959-976).
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