E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Household Troops.
Those troops whose special duty it is to attend the sovereign and guard the metropolis. They consist of the 1st and 2nd Life-guards, the Royal Horseguards, and the three regiments of Footguards called the Grenadier, Coldstream, and Scots Fusilier Guards.