Edna Krabappel's sister

Edna Krabappel's sister was mentioned once, in "Stealing First Base". 
==History==
When Bart asked where his teacher was, Principal Skinner responded, "Mrs. Krabappel had to go to Portland. Apparently the people she hired to deprogram her sister from that cult were an even worse cult".
==Appearances==
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Category:Krabappel family
Category:Siblings
Category:Sisters
Category:Mentioned characters
Category:Unseen characters