Doge Ottone di Orseolo of Venice & Princess Maria Helena Arpad of Hungary 
They had a daughter named Adelheid.
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Personal Details
Princess Maria Helena Arpad of Hungary
Maria Helena Arpad was born about 0982 in Esztergom, K-Eszt, Hungary.
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Children
Adelheid of Venice
Adelheid was born about 0991 in Venezia, Venezia, Italy. She died after February 17th, 1058.
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