Aung San and Khin Kyi had four children. Aung San's youngest surviving child, Aung San Suu Kyi, was only two years old when Aung San was assassinated. She is a Nobel Peace Prize laureate, served as State Counsellor of Myanmar, was the first female Myanmar Minister of Foreign Affairs, and is the leader of the National League for Democracy (NLD) political party. Aung San's oldest son, Aung San Oo, is an engineer working in the United States who has disagreed with his sister's political activities. Aung San's second son, Aung San Lin, died at age eight, when he drowned in an ornamental lake in the grounds of the family's house.