sentences:  Their first two children died at an early age.The first child, Anna Chang Myeong-sook (baptismal name, surname, given name), died before age one, and the second child, Joseph Chang Young died at age two.Joseph Chang Jin, Ph.D., was a professor of biology at Princeton University and Sogang University (deceased); Benedicta Chang Yi-sook, MFA, an artist and teacher, a member of the order of Sisters of Notre Dame de Namur; Andrew Chang Geon, MA, a successful architect; John Chang Ik, Catholic bishop of Chuncheon; Leo Chang Soon, Ph.D., a professor of political science; Matthew Chang Heung, Ph.D., a manager at the Bank of Paris; Teresa Chang Myong-ja, MA in Library Science, a librarian (deceased).