Board Thread:Spoilers!/@comment-2153169-20140908192157/@comment-24674051-20160927163746

I've seen families hold grudges far longer over less important details. Ingrid did (albeit accidentally) kill their sister. Gerda was upset, and afraid of her sister and what could happen. It was only after seeking Rumple to deal with Elsa that she realized that she was wrong in her actions.