おとうと夫婦 ふうふではありませんでした
otōtofūfudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 弟夫婦

1. Was not my younger sibling's spouse.; Was not my brother/sister-in-law.

Past/Perfective
Negative
Polite
Formal Register