Marquis de Sade Donatien Alphonse François de Sade was born on 2 June 1740, in the Hôtel de Condé, Paris, to Jean Baptiste François Joseph, Count de Sade and Marie Eléonore de Maillé de Carman, cousin and Lady-in-waiting to the Princess of Condé. He was his parents' only surviving child. He was educated by an uncle, the Abbé de Sade. In Sade's youth, his father abandoned the family; his mother joined a convent. He was raised with servants who indulged "his every whim," which led to his becoming "known as a rebellious and spoiled child with an ever-growing temper." Later in his childhood,
Alphonse Briart Alphonse Briart Alphonse Briart (1825–1898) was supervisor of the coal mines at Bascoup and Mariemont near Morlanwelz in the Hainaut province of Belgium, and a geologist who studied that region. During the period 1863-1896 he and Francois Cornet published a number of books and papers describing fossils and geological structures found near Mons. They devised theories - now generally accepted - as to the geological history of the region. After Cornet's death in 1887, Briart continued to write alone. The mineral Briartite is named for his grandson, Gaston Briart. Briart was born at Chapelle-lez-Herlaimont on 25 February 1825, the son