ɐn ˈɛθnɪk məlˈeɪ ʌv hˈæf dʒˌɑːvənˈiːz ænd hˈæf nˈeɪɾɪv məlˈeɪ dᵻsˈɛnt, kˈɜː wʌz bˈɔːɹn ˌɔn sˈɪks ˈɔːɡəst nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv, æt tˈɑːli ˈɛɹ tˈuː, bˌiːtˈiː fˈoːɹ, sˈʌŋɡaɪ bjˈʊɹɹʌŋ, tˈændʒʌŋ kˈæɹæŋ, sˈɛlæŋɡɚ, ðə fˈɪfθ tʃˈaɪld əvə tˈoʊɾəl ʌv nˈaɪn sˈɪblɪŋz.
An ethnic Malay of half Javanese and half native Malay descent, Khir was born on 6 August 1965, at Tali Air 2, Bt 4, Sungai Burung, Tanjung Karang, Selangor, the fifth child of a total of nine siblings.