Simplify the following text for a Grade 8 native English-speaking person.
Original: Although other witnesses in Perm later reported that they saw Anastasia , her mother Alexandra Fyodorovna and sisters in Perm after the murder , that story is now widely discredited as nothing more than a rumor .
Simplified: Others in Perm later said that they saw Anastasia , her mother and sisters in Perm after they were killed , but this was only a rumor .