Harley Quinn and Jokers Daughter, not Catwoman and Batsy's baby

Ace Queen Joker, was the what Harley and Joker named her daughter, but when she was transferred to Bruce Wayne and Selina Kyle (batman and Catwoman are married) when she was 2 weeks old, her name was changed to Hanna Aireen Wayne. Joker doesn't know that Batman is Bruce Wayne and vowed to get his daughter back.