Lady Eboshi is a boss *ss b*tch 😂 *PTAF playin in the background*
In a interview in Hayao Miyazaki, he stated that he had though of Lady Eboshi's background saying:

“I thought up a story that she was a wife of a Wako boss (Japanese pirates/smugglers who raided the Chinese and Korean coastlines. What Eboshi is trying to do is to build a paradise as she thinks of it.”