Complex sentence: Khan's father Meer Taj Mohammed Khan, an ethnic Pashtun, was an Indian independence activist from Peshawar, British India (present-day Pakistan), a follower of Khan Abdul Ghaffar Khan, and was affiliated with the All Indian National Congress.
Split into simpler sentences: Khan's father Meer Taj Mohammed Khan, an ethnic Pashtun (Pathan), was an Indian independence activist from Peshawar, British India (present-day Pakistan). He was a follower of Khan Abdul Ghaffar Khan, and affiliated with the All Indian National Congress.