[5] Her father was a younger brother of Carlo I Tocco, Count of Cephalonia and Leukas.
He had to withdraw from the parts of Elis under his control and relinquish his hereditary claims to Corinth and Megara.
The agreement was sealed with the marriage of Creusa to Constantine Palaiologos, younger brother of John VIII.
During their life together, Constantine held various territories of the Peloponnese under his control though still subordinate to both John VIII and Theodore II Palaiologos, Lord of Morea.
Theodora died in November 1429 at Stameron,[8] (either Estamira or Santameri Castle) while giving birth to a stillborn daughter.