If the question is what I think it is, then the answer is Yes. Selma Bouvier is Marge's sister
The Spinster Apartments. The Spinster Apartments.
Marge's sisters
Patty and Selma are aged 89 and 7 days old Patty is younger by 6 minutes.
Patty Bouvier and Selma Bouvier (pronounced BOO-vee-EH). Their middle names are unknown.
Well patty selma and marge and jaquie bovier (marge, selma and pattie's mom) are played by Julie Kanver. Hope this helps SimpsonFreak