Wesker glanced at William, his lips pressing together slightly, but that was the only change of expression Wesker made. Outwardly, he supposed he should be unhappy, his relation to Claire was supposed to be a secret...

But from what he was observing there did not appear to be anyone here who would use that information against either of them. And if they did... well, anyone who went after Claire would have their hands full.

He looked again at Clark to answer the question, "Yes, I am her father." If he was going to act like her father he might as well let people know of his relationship with her. It would make his behavior less questionable.