Complex sentence: Born in Wartenberg, Bavaria, Germany, as Anton (or Antonio) Theodore von Selmair-Selwart, the son of a surgeon, hee decided to become an actor after studying medicine, and showed a strong interest in the theater even as a child.
Split into simpler sentences: Born in Wartenberg, Bavaria, Germany, as Anton (or Antonio) Theodore von Selmair-Selwart, the son of a surgeon. He decided to become an actor after studying medicine, and showed a strong interest in the theater even as a child.