Simplify the following text for a Grade 6 native English-speaking person.
Original: Resident in Essen since the 16th century , the Krupp family dynasty and Essen shaped each other . In 1811 , Friedrich Krupp founded Germany 's first cast-steel factory in Essen and laid the cornerstone for what was to be the largest enterprise in Europe for a couple of decades .
Simplified: In 1811 Friedrich Krupp founded a small steel factory in Essen which was fast growing .