Jacob Dircksz de Graeff, Dutch mayor (d. 1638)
Jacob Dircksz de Graeff, free lord of Zuid-Polsbroek (Emden 1571 – Amsterdam, 6 October 1638) was a illustrious member of the patrician De Graeff family. He was a powerful politician of the States Faction, regent and mayor of Amsterdam after the political collapse of Reinier Pauw in 1627.In the mid 17th century, during the Dutch Golden Age, De Graeff controlled the city's politics in close cooperation with his nephew Andries Bicker. Jacob de Graeff was very critical of the Orange family's influence. He was a member of a family of regents who belonged to the republican political movement also referred to as the ‘state oriented’, the Dutch States Party, as opposed to the Royalists.