Complex sentence: Iqbal's elder brother, Humayun Ahmed was a legendary author and filmmaker and his younger brother, Ahsan Habib, is the editor of the satirical magazine, "Unmad" ("Mad") and a cartoonist.
Split into simpler sentences: Iqbal's elder brother, Humayun Ahmed was a legendary author and filmmaker. His younger brother, Ahsan Habib, is the editor of the satirical magazine, "Unmad" ("Mad") and a cartoonist.