the Capuchin church in Warsaw, next to John III. In 1733, both bodies were transported to the Wawel Cathedral in Krakow. Legacy The royal couple became famous for their love letters, most of which were written from 1665 to 1683, when they were parted either due to John III Sobieski's military engagements or her travels to Paris. The letters give insight not only into the authentic feelings of the loving couple, but also their reflections on contemporary issues and difficulties, as well as down-to-earth matters concerning the royal household and little day-to-day decisions made by the monarch, who often consulted his wife about them. Published long after the death of both of them, they can be credited with popularizing the King's way of addressing the Queen by the very diminutive form of her first name — "Marysieńka". She is widely remembered and referred to in Poland that way. Issue Marie Casimire first married Jan "Sobiepan" Zamoyski (1627–1665) on March 3, 1658 in Warsaw. They had four children, all of whom died in early childhood: Ludwika Maria (April 1659 – May 1659). Son (born and died January 1660). Katarzyna Barbara (5 December 1660 – December 1662). Daughter (May 1664 – August 1664). Zamoyski himself died April 2, 1665. Marie Casimire quickly remarried in July of that year to the future Jan III Sobieski. This marriage was famously happy, and the couple had thirteen children, nine of whom died in childhood: Jakub Ludwik Henryk (2 November 1667 – 19 December 1737), Crown Prince of Poland, married Countess Palatine Hedwig Elisabeth of Neuburg and had issue. Twin Daughters (9 May 1669), stillborn or died shortly after birth. Teresa Teofila (October 1670), was a frail child and failed to survive for more than a month. The child was born and died while her mother was in France. Adelajda Ludwika (15 October 1672 – 10 February 1677), called "Barbelune", died at the age of four after a long and painful illness. Maria Teresa (18 October 1673 – 7 December 1675), called "La Mannone", died at the age of two, less than two months before her parents' coronation. The death of their beloved daughter plunged the royal couple into deep despair, which is expressed in the letters written by the spouses during this period. Marie Casimire wrote in a letter to her husband: "I'm so devastated by worry that I don't think I'll ever recover. May