Original: Names with superscript letter H are listed by Robert Hardman, Monarchy: The Royal Family at Work (Druck: Ebury Press, 2007) Names with superscript letter R are listed by William Addams Reitwiesner, "Persons Eligible to Succeed to the British Throne as of 1 Jan 2001".
Simplified: Names with superscript letter R are listed by William Addams Reitwiesner, "Persons Eligible to Succeed to the British Throne as of 1 Jan 2001".