11. They always pack an all-black group to travel with.

Reason: If they need to travel overseas to attend a significant funeral or if a family member passes away
Exception: None
Whenever Princess Kate goes on a royal tour, her suitcase always contains at least one all-black item. Any royal visiting another nation is required to pack an all-black outfit in case of emergency.

They always take an all-black group with them. ©Max Mumby/Getty Images/Indigo
The Royals will have to put on their all-black attire right away out of respect if a family member passes away while they are away or if an influential person in the host country passes away. Black is the customary hue of mourning for the Royal family, as made popular by the late Queen Victoria following the death of her husband, Prince Albert, in 1861. Netflix’s The Crown does not provide an explanation for this. To memorialize him, she wore black for forty years in a row.