Erasmus Stirling II was a prince of Alucarsia. He was the eldest son of King Letholdus Stirling II and Helena Molyneux.

At the age of twenty he married Elisabeta and had one son, Cassius Stirling II. During the Second Exekian War, Letholdus II was slain in battle. His sister Elena committed suicide upon hearing the news of his death.