H.R.H. PART stands for Her Royal Highness Prince Albert of Thurn and Taxis. Prince Albert is a member of the German noble family, the House of Thurn and Taxis. He is the current head of the family and holds the title of His Royal Highness Prince Albert of Thurn and Taxis. He is also the owner of the largest private estate in Germany. Prince Albert is an active philanthropist and has been involved in numerous charitable causes. He is also a patron of the arts and has been involved in the restoration of several historic buildings.