. . . . . . "destruction" . . . "series of wars" . "Frisian kingdom" . . "Frankish kingdom" . "Frisian\u2013Frankish War" . . . . . . "Pacification of the Frisians" . . "expedition into Frisia" . . "Frisian\u2013Frankish wars" . . . . . . . . "Frisian-Frankish wars" . "Frisian\u2013Frankish wars" . . . . . . . . .