Nine months after Tatyana Tovstorog filed a petition contending she was a great-niece of Carmel Bennoon — who died in Cook County in 2007 with no known heirs — a court in Ukraine issued an ex parte ruling that Tovstorog and Bennoon had a common paternal ancestor: Mendel Purkovich. Invoking the doctrine of comity, Tovstorog argued that the Illinois judiciary should defer to the Ukrainian judgment that she was Purkovich’s great-granddaughter. Tovstorog also argued that Julia Semenova — who was …