王室 おうしつ属領 ぞくりょうではありませんでした
ōshitsuzo kuryōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 王室属領

1. Was not a royal domain.; Was not part of the royal territory.

Past/Perfective
Negative
Polite
Formal Register