Teoh was the third child of Teoh Leong Hwee (born 1953). He had an elder brother; Teoh Beng Kee (Chinese: 赵铭基) (born 1976), elder sister; Teoh Lee Jun (Chinese: 赵丽君) and a younger sister; Teoh Lee Lan (1980,Chinese: 赵丽兰). His father was a taxi driver, and his mother, Teng Shuw Hor (1953) is a housewife.
