Complex sentence: It is also spelled "Attakapa", "Attakapas", "Attacapa", called themselves the Ishaks, pronounced "ee-SHAKS", translated as "The People".
Split into simpler sentences: It is also spelled "Attakapa", "Attakapas", "Attacapa". They called themselves the Ishaks, pronounced "ee-SHAKS", translated as "The People".