 this does not apply to those who are less than the kings son from his entourage and the rest of his subjects. because the kings son is one of his members and a part of his parts and the king is the origin and the son is a branch and the branch is subordinate to the origin and the origin does not need the branch.
وليس هذا على من دون ابن الملك من بطانته وسائر رعيته. لأن ابن الملك عضو من أعضائه، وجزء من أجزائه، والملك اصل، والابن فرع، والفرع تابع للأصل، والأصل مستغن عن الفرع.