In October 1800, he married Lady Catherine Pelham-Clinton, the presumptive heir to the estates of the Duke of Newcastle.
ɪn ɑːktˈoʊbɚ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd, hiː mˈæɹid lˈeɪdi kˈæθɹɪn pˈɛlæmklˈɪntən, ðə pɹɪsˈʌmptɪv ˈɛɹ tə ðɪ ᵻstˈeɪts ʌvðə dˈuːk ʌv nˈuːkæsəl.