Yanez del Monte

I found a mistake in my tree and I was hoping that someone could correct it.

Juan Yanez del Monte and Lorenzo Yanez del Monte are half brothers because they have the same father but different mothers. This is very clearly stated that they had different mothers. My problem is that I do not know which of the two is the son of Geronima Benavides. I have both of them listed. which one should not be there?
I know how I originally made the mistake. A dispensa that I originally used called them brothers but did not specify that they had different mothers.