Simplify the following text for a Grade 12 native English-speaking person.
Original: According to Frederick Hoxie 's ` Encyclopedia of North American Indians ' the genealogy of Crazy Horse , both his ancestors and his descendants , was : Crazy Horse was the third in his male line to bear the name of Crazy Horse , which in Oglala is Tasunke Witko .
Simplified: According to Frederick Hoxie 's ` Encyclopedia of North American Indians ' Crazy Horse was the third in his male line of descent to bear the name of Crazy Horse , which in Oglala is Tasunke Witko .