兄弟 きょうだい姉妹 しまいじゃありませんでした
kyōdai shimaija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 兄弟姉妹

1. Was not sibling(s).; Was not related as siblings.

Past/Perfective
Negative
Polite
Terminal Form