先祖 せんぞ伝承 でんしょうじゃなかったです
senzodenshōjanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 先祖伝承

1. Wasn't a family tradition.; Wasn't handed down from ancestors.

Past/Perfective
Negative
Polite
Casual Register