Complex sentence: Hackett suffered from Parkinsonism and his health began to fail in 1915, he took a trip to the eastern states which appeared to have benefited him; however he died suddenly on 19 February 1916 of a heart condition and was buried in Karrakatta Cemetery.
Split into simpler sentences: Hackett suffered from Parkinsonism and his health began to fail in 1915. He took a trip to the eastern states which appeared to have benefited him; however he died suddenly on 19 February 1916 of a heart condition and was buried in Karrakatta Cemetery.