 In the introduction to the charter of 1631, the guildmasters present their proposal of the charter to the city fathers.The signers of this proposal were Pieter de Molijn, Outgert Ariss Akersloot, Willem Claesz Heda, Salomon de Bray, Cornelis Cornelisz, Cornelis Claesz van Wieringen, Floris van Dyck, and Isaak Halinck.