Complex sentence: Christina, M.A. (Cantab), read Social Science and Economics at Cambridge University and then became an investment banker, who is married to Patrick Nicholson, Head of Communications for Caritas Internationalis in the Vatican Internationalis.
Split into simpler sentences: Christina, M.A. (Cantab), read Social Science and Economics at Cambridge University and then became an investment banker. She is married to Patrick Nicholson, Head of Communications for Caritas Internationalis in the Vatican Internationalis.