先祖 せんぞ伝承 でんしょうではありませんでした
senzodenshōdewa arimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 先祖伝承

1. It was not a family tradition.; It was not handed down from ancestors.

Past/Perfective
Negative
Polite
Formal Register