The signatories were: The Earl of Shrewsbury The Earl of Devonshire The Earl of Danby The Viscount Lumley The Bishop of London (Henry Compton) Edward Russell Henry Sydney (who wrote the Invitation) Of the seven, Danby and Compton were generally considered to be Tories, while the other five signatories were generally seen as Whigs.
Para penandatangannya adalah: The Earl of Shrewsbury The Earl of Devonshire The Earl of Danby The Viscount Lumley Uskup London (Henry Compton) Edward Russell Henry Sydney (yang menulis undangan tersebut) Dari tujuh orang tersebut, Danby dan Compton umumnya dianggap sebagai anggota Partai Tory, sementara lima penandatangan lainnya umumnya dipandang sebagai anggota Partai Whig.