Marquess of Salisbury

Marquessate of Salisbury
Arms: Quarterly, 1st and 4th, Barry of ten Argent and Azure, over all six Escutcheons Sable, three two and one each charged with a Lion rampant of the First, a Crescent Gules for difference (Cecil); 2nd and 3rd, Argent, on a Pale Sable, a Conger's Head erased and erect Or, charged with an Ermine Spot (Gascoyne). Crests: 1st, Six Arrows in saltire Or, barbed and flighted Argent, bound together with a Belt Gules, buckled and garnished Gold, over the arrows a Morion Cap proper (Cecil); 2nd, A Conger's Head erased and erect Or, charged with an Ermine Spot (Gascoyne). Supporters: On either side a Lion Ermine.
Creation date	10 August 1789
Created by	King George III
Peerage	Peerage of Great Britain
First holder	James Cecil, 7th Earl of Salisbury
Present holder	Robert Gascoyne-Cecil, 7th Marquess
Heir apparent	Edward Gascoyne-Cecil, Viscount Cranborne
Remainder to	the 1st Marquess's heirs male of the body lawfully begotten
Subsidiary titles	Earl of Salisbury Viscount Cranborne Baron Cecil
Status	Extant
Seat(s)	Hatfield House Cranborne Manor
Motto	SERO SED SERIO (Late but seriously)

Marquess of Salisbury is a title in the Peerage of Great Britain. It was created in 1789 for the 7th Earl of Salisbury.^[1] Most of the holders of the title have been prominent in British political life over the last two centuries, particularly the 3rd Marquess, who served three times as Prime Minister in the late 19th and early 20th centuries.