Louis Joseph d'Albert d'Ailly [SEP] noble title
Louis Joseph d'Albert d'Ailly
Louis Joseph d'Albert d'Ailly (1741–1792), seventh Duke of Chaulnes and son of Michel Ferdinand d'Albert d'Ailly, was a chemist and French aristocrat.
Biography.
At the death of his father in 1769, Louis Joseph inherited the title of Duke of Picquigny. He studied science successfully and in 1764 was elected a Fellow of the Royal Society in London.
He retired from military service at the age of twenty-four with the simple rank of colonel and instead undertook the study of natural sciences
d'Ailly (1625–1698), duke-peer of Chaulnes (1653–1698)
4. (1676–1744), duke-peer of Chaulnes (1711–1729)
5. Charles-François d'Albert d'Ailly (1707–1731), peer with the courtesy title of duke of Picquigny (1729–1731)
6. Michel Ferdinand d'Albert d'Ailly (1714–1769), peer with the courtesy title of duke of Picquigny (1731–1744) then duke-peer of Chaulnes (1744–1769)
7. Joseph Louis d'Albert d'Ailly (1741–1792), duke-peer of Chaulnes