Complex sentence: Sheikh Abdullah Ibn Umar Badheeb Al Yamani was the eminent Islamic scholar and Sufi from Hadramout, Yemen arrived in Sri Lanka in 1858 and until his death he did grade works for Sri Lankan Muslims.
Split into simpler sentences: Sheikh Abdullah Ibn Umar Badheeb Al Yamani was an eminent Islamic scholar and Sufi from Hadramout, Yemen. He arrived in Sri Lanka in 1858, and until his death he did many works for Sri Lankan Muslims.