Fergus Lethbridge-Stewart

Major General Fergus Lethbridge-Stewart was a member of the Lethbridge-Stewart family and an ancestor of Brigadier Alistair Gordon Lethbridge-Stewart.

He served as the Duke of Wellington's right-hand man at the Battle of Waterloo in 1815. (PROSE: The Scales of Injustice, The Daughters of Earth)

After the battle, the Duke sent him out to retrieve any wounded British soldiers who were still alive out in the battlefield, He found a British soldier named Fines being followed by a 'wisp'. (PROSE: The Bone Merchant)

The Brigadier was aware that a General Lethbridge-Stewart served at Waterloo. (PROSE: The Dying Days)

Behind the scenes

 * Fergus was first mentioned as an ancestor of the Brig in a character description in The Making of Doctor Who.