Question: When did Joanna, Duchess Of Durazzo's mother die?
Sentence (from "Maria of Calabria"): Maria of Calabria (6 May 1329 – 20 May 1366) was a Neapolitan princess of the Capetian House of Anjou whose descendants inherited the crown of Naples following the death of her older sister, Queen Joanna I.
Relevant evidence: Yes