Simplify the following text for a Grade 6 native English-speaking person.
Original: Gutenberg was born in the German city of Mainz , the youngest son of the upper-class merchant Friele Gensfleisch zur Laden , and his second wife Else Wyrich , who was the daughter of a shopkeeper .
Simplified: Gutenberg was born in Mainz , the son of a merchant , Friele Gensfleisch zur Laden .