Complex sentence: Although a grapeshot from a falcon killed many Dutch soldiers, after a short struggle they secured the bastion killing all the defenders including the captains Lourenco Forte and Bartalameu Deca.
Split into simpler sentences: Although a grapeshot from a falcon killed many Dutch soldiers, after a short struggle they secured the bastion. They killed all the defenders including the captains Lourenco Forte and Bartalameu Deca.