Dr Colin Kim Guan Tan

Dr Colin was born in 1932.  Dr Colin's father is Dr Chong Yan Tan and his mother was Grace Chim Neo Chia.  His maternal grandparents were Keng Tye Chia and Tuan Neo Lim. He has a brother and four sisters, named Dr Leonard, Greta, Yvonne, Angeline and Evelyn. He has two half-sisters named Noreen and Fenelia.

‌Dr Colin and Oi Weng are married.  They have a son and a daughter, named Edwin and Natalie.