It’s not written in English either.
*sigh* You know it’s we Jews that brought Christianity to the world. And we we’ve been tormented, abused and murdered over the centuries for it. I don’t care what you believe about what you believe, be it in any language you prefer. If Mathews writes that James was the brother of Yashua then he was the brother. You can interpret that any way you wish it doesn’t alter the fact.