おとうと夫婦 ふうふじゃなかったです
otōtofūfujanakattadesu

Noun
Desu Copula

The polite, past negative form of 弟夫婦

1. Wasn't my younger sibling's spouse.; Wasn't my brother/sister-in-law.

Past/Perfective
Negative
Polite
Casual Register