The person first would have got a job easily, but got paid less over the time span or even lost their Job, because Jews and others would be abused as forced labourers, basically slaves.
Nearing the end of the time span, if they were male, they would probably have been conscripted into the Wehrmacht, as they had less than 8 kids. (Nearing the end of WW2 not even more than 8 kids would have saved them from the front lines.)