Yeah, it sounded as though if the man and woman were living together as a household and the name was on the birth certificate, the man is deemed the father.
I just wonder what the deal is with the biological father. This is all such a mess and too many people have died in too short a period with too much money involved.
Maybe the bio baby-daddy is a room service guy in Vegas named Jose.
This thing will get absolutely hilarious if it turns out neither of the two claimants is the bio-dad.