Columbia subject headings:
Izi͡aslavich family.
Polatsk Region (Belarus)--Kings and rulers--Biography.
Polatsk Region (Belarus)--Kings and rulers--Genealogy.
Harvard subject headings:
Izi︠a︡slavich family.
Polatsk Region (Belarus)--Kings and rulers--Biography.
Polatsk Region (Belarus)--Kings and rulers--Genealogy.
Princeton subject headings:
Izi͡aslavich family.
Polatsk Region (Belarus)--Kings and rulers--Biography.
Polatsk Region (Belarus)--Kings and rulers--Genealogy.