Simplify the following text for a Grade 5 native English-speaking person.
Original: During the Weimar Republic , his father was the minister for food and agriculture , Magnus Freiherr von Braun . Von Braun 's mother was Emmy von Quistorp , the daughter of a member of the Prussian House of Lords .
Simplified: Von Braun had a younger brother , also named Magnus Freiherr von Braun .