Her brother Louis de Melun disappeared in 1724, two months after her death.
[1] At the age of roughly fifteen, she married Jules, Prince of Soubise.
Her husband was a member of the Princely House of Rohan and with the marriage, Anne Julie took on the style of Her Highness.
Anne Julie was an under governess to the children of France working with Madame de Ventadour, her husband's maternal grandmother.
Her brother's disappearance, led to the Principality of Epinoy (previously enjoyed by Anne Julie's father) was given to her son, Charles.