User blog comment:Ncduru/The Erza-Irene Connection/@comment-207.45.155.253-20160425130814/@comment-26389992-20160425133313

"Sama" means "lady or lord" in English so it can't be that. But maybe she did leave Ishgar for some reason, a good theory though... maybe she was one of the 12s who invaded Ishgar for Fairy Heart when Zeref told them not too?