I'm not asking what her parents did (which is indeed explained in the article), I'm asking "why did the author bother to put word 'heiress' in the headline when

I'm not asking what her parents did (which is indeed explained in the article), I'm asking "why did the author bother to put word 'heiress' in the headline when it doesn't tell the reader any additional information when used by itself". If the headline read " The daughter at Harvard ..." surely you'd wonder why they used the word "daughter" there, right? "Heiress" without any qualifiers means more or less the same thing, so it's natural to be surprised by the word choice.