Complex sentence: Syedna Idris conferred succession upon Syedna Hasan Badruddin and died, his mausoleum was built by Syedna Ali bin Syedna Husain.
Split into simpler sentences: Syedna Idris conferred succession upon Syedna Hasan Badruddin and died. His mausoleum was built by Syedna Ali bin Syedna Husain.