Citation - Georgia Gazette (Johnston): 1767.06.10

GG(J.767.014
10 Jun 1767:21 (194)
March 20.  Tuesday night there was a grand ball at Lady
Dalkeith's in Downing-street, on account of the marriage of
his Grace the Duke of Buccleugh to the Hon. Lady Betty
Montagu, daughter to his Grace the Duke of Montagu, at which
were present all the Royal Family, (except their Majesties)
and a prodigious number of the nobility and other persons of
distinction.