The Death of Princesse de Lamballe
For those who were curious about her death, I found the answer.
According to Wikipedia, this is what Marie and Louis saw from outside the window:
On August 19, she was transferred to La Force for refusing to take the oath against the monarchy - however, she had agreed to preach the freedom and legality of the men. Since she refused the oath, on September 3 she was delivered over to the fury of the populace.
The mob stripped and gang raped her, cut off her breasts and mutilated the rest of her body. There are further rumors that a man cut off her genitals which he impaled upon a pike and proceeded to rip out her heart which he then ate. The Princesse de Lamballe’s head was cut off, crudely stuck on a pike and carried away to a nearby café where customers were encouraged to drink to the death of the Princess. Following this, the head was replaced upon the pike and was paraded beneath Marie Antoinette’s window at the temple. The Paris mob were certainly responsible for her death; however, it was also five citizens of the local Section in Paris who delivered her body to the authorities shortly after her death, contrary to royalist propaganda which claimed her body was displayed on the street for a full day. After the restoration of the monarchy in 1814, her father-in-law finally succeeded in gaining her body and it was interred in his crypt.
Dear God, can you imagine seeing that happen to your friend right infront of your eyes? That was monsterous...