Pietro II Orseolo was married to Maria Candiano, the daughter of doge Vitale Candiano and niece of doge Pietro IV Candiano.[3]

• https://en.wikipedia.org/wiki/Pietro_II_Orseolo#Scorched_earth_policy

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His daughter Maria Candiano married Pietro II Orseolo.

• https://en.wikipedia.org/wiki/Vitale_Candiano

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http://our-royal-titled-noble-and-commoner-ancestors.com/p316.htm#i...

Maria Candiana

• F
• Father Vitale Candiano
• Maria Candiana married Pietro II Orseolo, Doge of Venice, son of St. Pietro I Orseolo, Doge of Venice and Felicita di Malpiero.
• Family Pietro II Orseolo, Doge of Venice b. 960, d. 1009
• Child ◦Otto Orseolo, Doge of Venice+ d. 1030

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991-1009: Maria Candiano

• https://it.wikipedia.org/wiki/Dogaressa