The five first growths in Bordeaux are:
Château Lafite Rothschild Médoc (Pauillac)
Château Margaux Médoc (Margaux)
Château Latour Médoc (Pauillac)
Château Haut-Brion Graves (Pessac-Leognan)
Château Mouton-Rothschild Médoc (Pauillac)
The asnswers have to be two of these.
At Ch. Lafite, the daughter is due tro take over during 2018. her name is Saskia de Rothschild
https://www.thedrinksbusiness.com/2017/11/all-change-at-chateau-lafite-as-daughter-takes-over/
The lady in charge at Ch. Margaux is Corinne Mentzelopoulos-Petit
https://en.wikipedia.org/wiki/Corinne_Mentzelopoulos