Simplify the following text for a Grade 7 native English-speaking person.
Original: Goebbels remained with Hitler in Berlin to the end ; just hours after Hitler 's suicide , Goebbels and his wife , Magda , killed their six young children .
Simplified: After Hitler 's death , Goebbels was chancellor of Germany for one day , before he and his wife Magda Goebbels were killed by an SS officer , on Goebbels ' orders . Just before she died , Magda killed their six children with poison .