No, Louis xvi is not single.
Louis XVI (the sixteenth / seize)
Louis XV was the grandfather of Louis XVI
Louis XVI never had a grandchild.
Louis XVI of France.
Louis XVI, who was beheaded along with his son, the [presumptive] Louis XVII. When the monarchy was restored, Louis XVIII became king.
Trial of Louis XVI happened in 1792.
louis xvi along with his wife was guillotined
The King was Louis XVI.
Louis xvi was born on August 23, 1754
King Louis XVI of France.
Louis XVI of France was born on 1754-08-23.
Louis XVI was the grandson of Louis XV. Louis XV once had a son, the official dauphin (crownprince), but he died at a very young age of smallpox. Therefore, Louis' grandson became the new dauphin, and eventually Louis XVI. Marie Antoinette was the archduchess of Austria and wife of Louis XVI