Gracious me you are confused The Line of Succession is absolute so when the Queen dies the throne descends to the next person on the list most likely Charles if he is alive or William if the former is not If all three of those were to perish without any changes i e the princes having children then the throne would go to Andrew Thusly the line only changes with deaths legitimate births conversions to Catholicism and marriages to Catholics Any further questions I ll gladly answer more D B