Who is he? (Penny - brother)
He's Penny's uncle.
What's this? (Dog - ball)
It's dog's ball.
Whose bag is this? (Frank)
It's Frank's bag.
Whose children are they? (Ann)
They are Ann's children.
Whose book is this? (Liza)
It's Liza's book.
Who is he? (Mary - father)
He's Mary's father.
Who is Kate? (Sam - sister)
Kate is Sam's sister.
Who is he? (John - brother)
He's John's brother.
Who is she? (Dan - mother)
She is Dan's mother.
Whose pencils are they? (Nick)
They are Nick's pencils.