 On 29 June, Bogislaw XIV, Duke of Pomerania sent two of his high-ranking nobles, the count von Putbus and his chancellor von Horn, to persuade Stralsund to adhere to the Capitulation of Franzburg and surrender to Wallenstein.On 30 June, Rosladin persuaded the city not to enter into negotiations with Wallenstein, who had resorted to bombardment again.The same day, ten Swedish vessels reinforced Stralsund with 600 troops, while under heavy fire by Wallenstein's forces.