During the next two seasons she created four more Handel roles: Alceste in Admeto and Pulcheria in Riccardo Primo (both 1727), and Emira in Siroe and Elisa in Tolomeo (1728).
The Vandal prince Genseric has conquered Rome (historically following the murder of the emperor Valentinian III commissioned by the usurper Petronius Maximus) and now wants to conquer the Roman emperor's widow Eudoxia (historically Licinia Eudoxia), while his son Honoricus (historically Huneric) sets his eye on Eudoxia's daughter Pulcheria.
A narrative known as the Euthymiaca Historia (written probably by Cyril of Scythopolis in the 5th century) relates how the Emperor Marcian and his wife, Pulcheria, requested the relics of the Virgin Mary from Juvenal, the Patriarch of Jerusalem, while he was attending the Council of Chalcedon (451).