Simplify the following text for a Grade 7 native English-speaking person.
Original: The County of Hohenzollern-Hechingen was created in 1576 , upon the partition of the County of Hohenzollern , a fief of the Holy Roman Empire .
Simplified: The County of Hohenzollern-Hechingen was created in 1576 , when the County of Hohenzollern was divided . The county was ruled as a part of the Holy Roman Empire .