The term 'Prince, e.g.' can refer to a variety of different people or things. The crossword solutions for this term are HEIR (4 letters), SON (3 letters), SCION (5 letters), and POPSTAR (7 letters). An HEIR is someone who is entitled to inherit a title, estate, or money from another person upon their death. A SON is a male offspring of a parent. A SCION is a descendant of a notable family, often used to refer to a wealthy or powerful family. Finally, a popstar is a celebrity musician who is famous for their popular music.