hiː ɐkˈʌmpənid hɪz fˈɑːðɚ tʊ ˈiːdoʊ ɪn wˈʌn θˈaʊzənd sˈɪkshˈʌndɹɪd fˈoːɹɾi ˈeɪt, ænd wʌz sˈɛnt ɪn wˈʌn θˈaʊzənd sˈɪkshˈʌndɹɪd fˈoːɹɾi nˈaɪn tə nˌæɡɐsˈæki tə stˈʌdi wˈɛstɚn sˈaɪəns.
He accompanied his father to Edo in 1648, and was sent in 1649 to Nagasaki to  study Western science.