Simplify the following text for a Grade 9 native English-speaking person.
Original: Jackson County was created by the Florida Territorial Council in 1822 by splitting from Escambia County , making it the third county in the Territory .
Simplified: Jackson County was created by the Florida Territorial Council in 1822 out of Escambia County , along with Duval County out of St. Johns County , making them the third and fourth counties in the Territory .