I think Coates in regards to her divinity was talking to the blood that flows within her veins and not necessarily to whom her parents were. its akin to our DNA that be traced back to hundreds or thousands of years to our ancestors. what I find interesting is that Claremont made it a point to emphasize her lineage going back to the beginning of time. I thought it was first mentioned here:
but I think it was first mentioned by Claremont here:
this could be what Coates is referencing regarding the divine aspect of her bloodline.