It is a well known fact the Frisians fought in foreign armies. Whether as foreign fighter in the Mediterranean and the Levant, or as mercenary of the Roman army in Britannia. Also their medieval kings committed war crimes. Early Frisian merchants were heavily involved in the profitable slave trade on the British Isles. Furthermore, individuals committed large-scale piracy at the North Sea, Wadden Sea, Zuyder Sea and in the German Bight. And, do not forget those that freely participated in Viking

It is a well known fact the Frisians fought in foreign armies. Whether as foreign fighter in the Mediterranean and the Levant, or as mercenary of the Roman army in Britannia. Also their medieval kings committed war crimes. Early Frisian merchants were heavily involved in the profitable slave trade on the British Isles. Furthermore, individuals committed large-scale piracy at the North Sea, Wadden Sea, Zuyder Sea and in the German Bight. And, do not forget those that freely participated in Viking