In 1327, Guglielma married the Genoese Zaccaria, who had been captured while repelling, alongside Andrea Cornaro, an invasion of Alfonso Fadrique of Athens.
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This marriage was especially important after the death of Cornaro, for it allowed her to remain in residence on Negroponte and to reconcile her claims to the castle of Larmena with La Serenissima's.
Vito Pallavicini | Elvina Pallavicini | Angiola Guglielma Butteri |