Carmela
you can never lose your family but the others can and did because of her murderous husband and sons

Sandra and Teresa
must have known when they married, what their family business was, criminal Underboss, future Don and Consigliere to murderers

Deanna
Mystery! why did she marry Fredo

Apollonia
married Michael, an American -- hiding in Sicily... There are people who'd pay a lot of money for that information...

Kay
knew when she married he was Mafia