Simplify the following text for a Grade 8 native English-speaking person.
Original: Breckinridge 's army also included General Basil Duke 's cavalry , General George Cosby 's cavalry and Colonel Vincent Witcher and his 34th Battalion of Virginia Cavalry .
Simplified: It also included Basil Duke 's cavalry , Brig . Gen. George Cosby 's cavalry , and Col. Vincent Witcher 's 34th Battalion of Virginia Cavalry .