Duchy of Zaslawye
Duchy of Zasłaŭje, or Iziaslavl (Belarusian: Княства Заслаўскае') was a duchy on the territory of modern Belarus with the centre in the city of Zasłaŭje.
Chronology
To Duchy of Polatsk until 976...
To Duchy of Novgorod, 976–980
To Duchy of Kiev, 980
Rurikovich
Izyaslav of Polotsk (in Polatsk from 988), 980–1001
Vseslav I (also in Minsk), 1001–1003
To Polatsk, 1003–1101
David (in Polatsk 1116–1127), 1101–1116, died after 1129
Bryachislav, 1116–1127, died after 1129
David (in Polatsk 1128–1129), (restored) 1127–1128
Bryachislav, (restored) 1128–1129
To Polatsk, 1129–1146
Bryachislav II (in Vitebsk 1167–1186), 1146–1151, died 1186
Vsevolod, 1151–1158 d. aft. 1159
Bryachislav II, (restored) 1158–1159, died 1186
Vsevolod, (restored) 1159
Bryachislav II, (re-restored) 1159–1167, died 1186
Basil (in Vitsebsk 118?–1221), 1167–118?, died 1221
Vladimir (in Polatsk from 1197), 118?–1215
No information after 1215 (probably to the Grand Duchy of Lithuania)
Jaunutis (Iwan I), 1347–1366
