Asclepius did not start out being a god, having said that. It's now believed that he was an real historical figure, renowned for his healing talents. When he and his sons, Machaon and Podalirios, are stated during the Iliad in somewhere around the 8th century BCE, they're not gods. In https://maps.app.goo.gl/4RRJnUstxVnoZ5sQ8