Guido was the son of Giovanni Orsini and Maria Komnene Dukaina. The date and place of his birth have not been found.
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Giovanni Orsini |
Riccardo I Orsini |
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Maria Komnene Dukaina |
Nikephoros I Komnenos Dukas Angelos |
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Anna Palaiologina Kantakouzene |
Ióannés Komnenos Angelos Kantakouzenos |
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