Thanks. I actually have Whiskey, Duke, Doc, and Jack. My parents have Bink and Bump. Here's how they all relate: Whiskey is father to Bump, Duke, Doc, and Jack. Bump and Doc are true brothers from different litters. Jack and Bink are half brothers. Bink's father was a chocolate named Duke. It's somewhat confusing at first, only to be made more confusing when I explain that Bink's mother and Bump and Doc's mother are sisters.