ˌɔn twˈɛnti fˈoːɹ fˈɛbɹuːˌɛɹi wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd sˈɪksti sˈɛvən, æt sənt dʒˈɔːɹdʒᵻz hˈænoʊvɚ skwˈɛɹ tʃˈɜːtʃ hiː mˈæɹid ðɪ ˈɛɹɛs mˈɛɹi ᵻlˈiːnɚ bˈoʊz, hˌuː wʌz ɔːlɹˌɛdi pəzˈɛst ʌv hɜː lˈeɪt fˈɑːðɚz ᵻstˈeɪts sˈʌtʃ ɐz dʒˈɪbsaɪd.
On 24 February 1767, at St George's Hanover Square Church he married the heiress Mary Eleanor Bowes, who was already possessed of her late father's estates such as Gibside.