their conversion had been mainly the work of their brethren from Britain.
The monk Wilfred was followed in a few years by the Anglo-Saxon
Willibrod. It was he who destroyed the images of Woden in Walcheren,
abolished his worship, and founded churches in North Holland. Charles
Martell rewarded him with extensive domains about Utrecht, together with
many slaves and other chattels. Soon afterwards he was consecrated Bishop
of all the Frisians. Thus rose the famous episcopate of Utrecht. Another
Anglo-Saxon, Winfred, or Bonifacius, had been equally active among his
Frisian cousins. His crozier had gone hand in hand with the battle-axe.
Bonifacius followed close upon the track of his orthodox coadjutor
Charles. By the middle of the eighth century, some hundred thousand
Frisians had been slaughtered, and as many more converted. The hammer
which smote the Saracens at Tours was at last successful in beating the
Netherlanders into Christianity. The labors of Bonifacius through Upper
and Lower Germany were immense; but he, too, received great material
rewards. He was created Archbishop of Mayence, and, upon the death of
Willibrod, Bishop of Utrecht. Faithful to his mission, however, he met,
heroically, a martyr's death at the hands of the refractory pagans at
Dokkum. Thus was Christianity established in the Netherlands.

Under Charlemagne, the Frisians often rebelled, making common cause with
the Saxons. In 785, A.D., they were, however, completely subjugated, and
never rose again until the epoch of their entire separation from the
Frank empire. Charlemagne left them their name of free Frisians, and the
property in their own land. The feudal system never took root in their
soil. "The Frisians," says their statute book; "shall be free, as long as
the wind blows out of the clouds and the world stands." They agreed,
however, to obey the chiefs whom the Frank monarch should appoint to
govern them, according to their own laws. Those laws were collected, and
are still extant. The vernacular version of their Asega book contains