Capture and Sent Home?
And to keep the twists coming, according to the Reporter-Herald, the story went a little differently. Their account mentions that Mildin indeed returned to London 15 years later, but it wasn’t due to his personal wish to leave the land. They reported that it was after Mildin was captured by adventurers and forcefully sent back to civilization.

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In Tarzan’s story, he also spends time in civilization, learns of his nobility, and was hunted by other humans. Either way, Mildin made it back home to his family fortune. He married again – this time to a local of the UK, and had a son, Edwin George, in 1889. Mildin died in 1919. His son, who died in 1937, never married.