Charles Dundas

Charles was a younger son of Thomas Dundas of Fingask, MP for Orkney and Shetland (1768–1771) and a commissioner of police in Scotland (31 January 1771), who died on 10 April 1786. His mother was his father's second wife, Janet, daughter of Charles Maitland, 6th Earl of Lauderdale. He was educated at Edinburgh Academy and Trinity College, Cambridge. He was called to the bar from the Middle Temple, but devoted himself to a political life.

His father's younger brother Lawrence became a successful banker and an MP for over 30 years. Charles's older brother Thomas was a British Army officer who became Governor of Guadeloupe and also represented Orkney and Shetland for a number of years.