I believe this particular cat is a persian. I noticed there wasn't any species information, and thought perhaps this would help. I have posted a photo of that breed so you can look at it.

Gray persian cat
—The preceding unsigned comment was added by *Luna (talk • contribs).
Trelawney's?[]
Do we know for sure that the cat belonged to her? Couldn't it be anyone's? The cats are allowed to walk freely, aren't they?--Rodolphus (talk) 16:55, October 11, 2019 (UTC)