DC Database
The subject of this article has been mentioned only and never actually shown in a comic book or on-screen. Despite their lack of physical appearances, information about them might still be relevant or interesting or at least worthy of documentation. Anything known about them is to be considered second-hand information.

Selina Kyle was the sister of Catwoman (Maggie Kyle).

According to Catwoman, she was tortured to death by Black Mask.[2]

She had a daughter named Helena.[1]