Aldona Ona
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Aldona Ona or Anna was the daughter of duke Gediminas of Lithuania. She died in 1339.

She married Casimir III the Great. Their daughter was Cunigunde, who married the son of Louis IV, Holy Roman Emperor, Louis VI the Roman, on 1 January 1345, possibly at Krakow.

The original article can be found at: http://en.wikipedia.org/wiki/Aldona_Ona.
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