Charles Louis was Sophia's brother. He was the son of Louis XIV of France and his wife Maria Theresa of Spain. Charles Louis was a weak and sickly child, and he died in 1711 at the age of five. Sophia was devastated by her brother's death, and she never fully recovered from it.
Sophia of Hanover: From Royalty to Powerhouse - A Quiz on the Remarkable Electress Consort