Someone contacted me and said Andrew Fall was also not related so I am aware that there were 2 families there. I appreciate the tidbit about the mail getting mixed up.
Lemko families were resettled during Operation Vistula. Currently, some are returning to their ancestral homes but not Izdebki. My grandfather never talked about his homeland so I don't know much. He also never talked about having siblings. I am patiently waiting for the Polish archives to digitize their records but it probably won't happen in my lifetime.