The Lion, the Witch, and the Wardrobe
She got him to tell her that he had one brother and two sisters, and that one of his sisters had already been in Narnia and had met a Faun there, and that no one except himself and his brother and sisters knew anything about Narnia. She seemed especially interested in the fact that there were four of them, and kept on coming back to it. "You are sure there are just four of you?" she asked. "Two Sons of Adam and two Daughters of Eve, neither more nor less?" (4.20)
"It is a lovely place, my house," said the Queen. "I am sure you would like it. There are whole rooms full of Turkish Delight, and what's more, I have no children of my own. I want a nice boy whom I could bring up as a Prince and who would be King of Narnia when I am gone." (4.26)
"Oh, but if I took you there now," said she, "I shouldn't see your brother and your sisters. I very much want to know your charming relations. You are to be the Prince and – later on – the King; that is understood. But you must have courtiers and nobles. I will make your brother a Duke and your sisters Duchesses."
"There's nothing special about them," said Edmund. (4.28-29)