"laid siege" . "siege to Boulogne" . "besieges Boulogne" . . . "Siege of Boulogne" . "Boulogne" . . . "Siege of Boulogne (1492)" . . . "Siege of Boulogne (1492)" . "besieged Boulogne" . . "lays siege to Boulogne" . "laid siege to Boulogne" . . "laying siege to Boulogne" .