article: Frisian people
links: Friesland Tiberius Roman Empire England North Sea Doutzen Kroes Ptolemy France Mata Hari Anglo-Saxon Belgium Denmark Great Britain Europe East Frisia Rhine River Pier Gerlofs Donia M. C. Escher Scotland Frisia Tacitus Netherlands Anglo-Saxons Groningen (province) Germany Germanic peoples Frisian language Wijerd Jelckama