Tracing through Lahren’s parents, then grandparents and great-grandparents, Mendelsohn found that Lahren’s great-great-grandfather Constantine — sometimes spelled “Konstantin” — Dietrich was tried before a grand jury in Bismarck, ND for the crimes of forgery of a naturalization document and “willfully, unlawfully and knowingly” giving a false affidavit in conjunction with his naturalization proceedings.