嫡出 ちゃくしゅつ ではありませんでした
cha ku shutsu shidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 嫡出子

1. Was not a legitimate/direct descendant.; Was not a biological/natural child.

Past/Perfective
Negative
Polite
Formal Register