How do you spell siyoir another name for a king?

There is no word "siyoir" that refers to another name for a king. It's possible you might be thinking of a different word, or it could be a misspelling.

To help me understand what you're looking for, could you please provide more context or clarify the spelling? For example:

* Do you remember any other letters in the word?

* What language is the word from?

* Is there a specific region or historical period you're interested in?

With more information, I can help you find the correct spelling and meaning.