 After his brother Francesco had successfully concluded the historic Lateran Treaty, Eugenio Pacelli was called to Rome by Pope Pius XI and on 7 February 1930 appointed as Cardinal Secretary of State succeeding his mentor and friend Pietro Gasparri.Francesco Pacelli left the immediate Vatican service largely in light of concerns for his health problems.As he moved to Rome, Eugenio Pacelli stayed for several weeks in the house of his brother Francesco near the Vatican, because the Vatican quarters required renovations.