A Saudi royal, known as the "Sleeping Prince," has died after spending two decades in a coma following a car accident, the country's royal family has said.

Prince Al-Waleed bin Khalid Al-Saud — otherwise known as the “Sleeping Prince” — died at age 36 after being in a coma for 20 years.

Prince Alwaleed — widely known as Saudi Arabia’s “Sleeping Prince” remained unconscious for 20 years since his car accident in 2005