Но именно мать, умершая от рака, бы

Но именно мать, умершая от рака, была единственным человеком, которого Гитлер когда-либо любил.

Результаты (английский) 1:

But it is the mother who died from cancer, was the only person who ever loved Hitler.

Результаты (английский) 2:

But it was his mother, who died of cancer, was the only person whom Hitler ever loved.

Результаты (английский) 3:

But it was his mother, deceased from lung cancer, was the only person, which Hitler ever loved.