* It's a pen name. There might be an author using this name, but it's not widely recognized. You might find more information by searching for book titles or specific works associated with the name.
* It's a character name. Perhaps "Son of Marshes" is a character in a book or story, and you're trying to find out more about their creator.
* There's a typo. Double-check the spelling and try a different search.
To help me find the author you're looking for, please provide:
* Any specific titles or books associated with "Son of Marshes".
* The genre of the writing.
* Any other relevant information you might have.
With more information, I can help you identify the author you're interested in.