Why were zlata and her father afraid for zlata`s mother`s life? (anne frank )

The life of their mother was really important to them. During the time of the war, everything was in chaos and the lives of the Jewish people were being destroyed and played like a toy. And the character being a young child had an attachment to their mother, so they didn't want to lose their parent in the midst of the war.

Uwiwiuwbwb hebe she behe