ˌɔn tˈɛn dʒuːlˈaɪ wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd sˈɛvənti hiː mˈæɹid mˈɛɹi stˈiːvɛnsən bˈɛɾɚ nˈoʊn æz pˈɑːli, ɐ lˈʌndən fɹˈɛnd ʌv bˈɛndʒəmɪn fɹˈæŋklɪn.
On 10 July 1770 he married Mary Stevenson (better known as Polly), a London friend of Benjamin Franklin.