3.2.1796 Geo Cavendish &c. Looking at the original I think this says "l Geo Cavendish &c" and is meant to be additional to the Holcrofts and Mrs Cowley who Godwin saw at the theatre
George Henry Cavendish d.1834, after the death of George Augustus Cavendish in 1794 known as Lord George Cavendish, afterwards 1st Earl of Burlington. Whig M P (see History of Parliament)