Her parents and brothers were all murdered during the Holocaust.

He was named after his mother's father, who died during the Holocaust.

Like so many children during the Holocaust, he became the main provider.

During the Holocaust, there was no place for thought or feeling.

However nearly the entire community was destroyed during the Holocaust.

All members of his family have been killed during the Holocaust.

All the members of his family were killed during the Holocaust.

During the Holocaust he was separated from his father, and only met him again 20 years later.

The majority of her extended family was killed during the Holocaust.

I would never use such an expression, even though many members of my family were murdered during the Holocaust.