Anna Leszczyńska (1699–1717) was a Polish noblewoman and princess as daughter of King Stanisław. Her sister, Maria Leszczyńska, who later became Queen of France as the wife of Louis XV, was their father's favorite. Anna died of pneumonia aged 18. Many doctors, called to her bedside by her father, likely accelerated her death, multiplying the purges and bleeding. Devastated by her death, the king ordered Maria to never again speak Anna's name.