Complex sentence: Prince Dipendra became "de jure" King of Nepal upon his father's death and died whilst in a coma three days after the act; however there are claims that Dipendra was already dead before being declared as the King.
Split into simpler sentences: Prince Dipendra became "de jure" King of Nepal upon his father's death and died whilst in a coma three days after the act. There are claims that Dipendra was already dead before being declared as the King.