didn't know, were unaware of, ignored
À diverses occasions, il put constater que les domestiques ignoraient son nom.
On several occasions, he found that the servants didn’t know his name.
Elles l'ignoraient elles-mêmes.
They themselves were unaware of it.
Ils ignoraient que la peur l'en empêchait.
They didn’t know that fear was preventing him from doing it.
— Y tu mamá también (2001)
They themselves were unaware of it.