This information is derived from various ancient historical sources, beginning in the 2nd century BC and extending into late antiquity.
In Northern Europe, influences from the Vendel Period (c.AD 550- 800) and the subsequent Viking Age (c. AD 800- 1050) played a significant role in the germanic historical context.
It is essentially an inventory of peoples, groups, alliances and associations stretching from the Barbaricum region east of the Rhine to the north of the Danube (also known as Germania), especially those that arrived during the Migration Period.
These are: Eight tribes or peoples are only mentioned by the Old Mainland Saxon wandering bard, of the Myrgingas tribe, named Widsith – Aenenes; Baningas; Deanas (they are differentiated from the Danes); Frumtingas; Herefaran; Hronas or Hronan; Mofdingas and Sycgas (not to be confused with Secgan, short name for the work in Old English called On the Resting-Places of the Saints about saints' resting places in England).
Many of the authors relating ethnic names of Germanic peoples speculated concerning their origin, from the earliest writers to approximately the Renaissance.