Just for balance— Your Prophet married a child goes back to Aisha herself, found in the collection of anecdotes known as the Hadith — considered by many traditionalist Muslims to be a scriptural source second only to the Quran. In certain texts of the Hadith, Aisha was betrothed at 6 years old and married at 9.
Epstein is far from Jewish Prophet, he was a sick and perverted wealthy man, no unlike many Arabs of great oil wealth that have many very young women. So what is your point?