BloodhoundI looked up the name in the phone book and rang the number. I tried to imagine the conversation that might ensue. 'Hello? I was wondering if you're the man who was recently at an auction and asked a woman named Bernadette if I was married and had children and was happyand if you are, are you my real father?' Ramona Koval's parents were Holocaust survivors who fled their homeland and settled in Melbourne. As a child, Koval learned little about their