He's racking his own memory to see if he can place her face at any point in his life, but there's nothing. "No, please, forgive me. I'm trying to think of anyone I know by that name, or.... I look a little like my brothers, but none of them would give up their family name."

Looks like someone has not heard about alternates or cognates or whatever you want to call this. Doppelgangers?