Original sentence: Hours later, Vittorio fled across the border under the cover of darkness while almost getting shot by border guards.In 1957, when Lidia was 10 years old, her father Vittorio sent his wife Erminia and their two children to visit family in Italy while he stayed behind per the legal requirement of at least one family member remaining (a measure against illegal emigration)
Edited sentence: " Hours later, Vittorio fled across the border under the cover of darkness while almost getting shot by border guards.In 1957, when Lidia was 10 years old, her father, Vittorio, sent his wife, Erminia, and their two children, to visit family in Italy.Vittorio remained in Istria as per a requirement that "one member of the family … remain in Istria as a hostage to ensure that the family would return