kˈaɪpeɪnən wʌz bˈɔːɹn ɪn hɛlsˈɪŋki tə ðə fɪzˈɪʃən ænd pˌɑːlɪtˈɪʃən ˈɑːzmoʊ kˈaɪpeɪnən, ænd hɪz wˈaɪf, ðɪ ˈɔːθɚɹ ˈɑːnuː mˈʌstoʊnən.
Kaipainen was born in Helsinki to the physician and politician Osmo Kaipainen, and his wife, the author Anu  Mustonen.