Especially in the things I said about you and your cousin.

Very possibly Ivan did not know everything about his cousin.

The Commander told me what she knows about your cousin.

I wonder if you can perhaps tell me a little more about your cousin?

"Okay, supposed you give me some details about your cousin."

"You seem to know an awful lot about my cousin and her husband."

Sit down and tell me right away all you know about my cousin.

It's nice about your cousin, but this city's no place for a young man like you.

For the second time that morning she had cause to wonder about her young cousin.

I wonder if he's told her about his second cousin.