Slavic tribes arrived by the eighth century a.d. and put down roots; the lezanie, Mazowszanie, Pomorzanie and Wislanie peoples inhabited much of the territory.
The Mazowszanie tribe was more numerous than the Pomorzanie.
mnli hypothesis: The Mazowszanie tribe was more numerous than the Pomorzanie. premise: Slavic tribes arrived by the eighth century a.d. and put down roots; the lezanie, Mazowszanie, Pomorzanie and Wislanie peoples inhabited much of the territory.