After his death, the royal is said to have had a fortune of around $42 million US. The wishes of Prince Philip are deemed to remain secret for the next 90 years after the judgment of the High Court, as reported by the BBC, among others. This practice is standard for high-ranking members of the royal family. According to the BBC, Judge Sir Andrew McFarlane said the will was sealed to "preserve the dignity of the Queen and close members of her family."
Watch the video above to learn more!