Simplify the following text for a Grade 6 native English-speaking person.
Original: Many of these characters are among those collected by the Grimm brothers . A movie based roughly on the Grimm brothers and their tales was made in 2005 , called The Brothers Grimm , starring Heath Ledger as Jacob Grimm and Matt Damon as Wilhelm Grimm .
Simplified: The Brothers Grimm ( German : Die BrÃ 1\/4 der Grimm , also GebrÃ 1\/4 der Grimm ) were the brothers Jakob and Wilhelm Grimm .