Complex sentence: Her unusual burial request requested her brother-in-law, Sol West, to bury her in her 1964 powder blue Ferrari 330 America wearing a "lacy nightgown" in a seat reclined at a "comfortable" angle.
Split into simpler sentences: Her unusual burial request required that her brother-in-law, Sol West, have her buried in her 1964 powder blue Ferrari 330 America. She was to be wearing specific attire (a "lacy nightgown") and the seat in which she was placed was to be reclined at a "comfortable" angle.