Marquess in the context of "Markgraf"

Earl (/ɜːrl, ɜːrəl/) is a rank of the nobility in the United Kingdom. In modern Britain, an earl is a member of the peerage, ranking below a marquess and above a viscount. A feminine form of earl never developed; instead, countess is used.

The title originates in the Old English word eorl, meaning "a man of noble birth or rank". The word is cognate with the Scandinavian form jarl. After the Norman Conquest, it became the equivalent of the continental count. In Scotland, it assimilated the concept of mormaer. Since the 1960s, earldoms have typically been created only for members of the royal family. The last non-royal earldom, Earl of Stockton, was created in 1984 for Harold Macmillan, prime minister from 1957 to 1963.

In medieval Europe, a march or mark was, in broad terms, any kind of borderland, as opposed to a state's "heartland". More specifically, a march was a border between realms or a neutral buffer zone under joint control of two states in which different laws might apply. In both of these senses, marches served a political purpose, such as providing warning of military incursions or regulating cross-border trade.

Marches gave rise to the titles marquess (masculine) or marchioness (feminine).

In the German nobility, margrave was a rank equivalent to marquess. It originated as the medieval title for the military commander assigned to maintain the defence of one of the border provinces of the Holy Roman Empire or a kingdom. That position became hereditary in certain feudal families in the Empire and the title came to be borne by rulers of some Imperial principalities until the abolition of the Empire in 1806 (e.g., Margrave of Brandenburg, Margrave of Baden). Thereafter, those domains (originally known as marks or marches, later as margraviates or margravates) were absorbed into larger realms or the titleholders adopted titles indicative of full sovereignty.

The Peerage of Great Britain comprises all extant peerages created in the Kingdom of Great Britain between the Acts of Union 1707 and the Acts of Union 1800. It replaced the Peerage of England and the Peerage of Scotland, but was itself replaced by the Peerage of the United Kingdom in 1801.

The ranks of the Peerage of Great Britain are Duke, Marquess, Earl, Viscount and Baron. Until the passage of the House of Lords Act 1999, all peers of Great Britain could sit in the House of Lords.

The peerage of Ireland consists of those titles of nobility created by the English monarchs in their capacity as Lord or King of Ireland, or later by monarchs of the United Kingdom of Great Britain and Ireland. It is one of the five divisions of peerages in the United Kingdom. The creation of such titles came to an end in the 19th century. The ranks of the Irish peerage are duke, marquess, earl, viscount and baron. As of 2016, there were 135 titles in the peerage of Ireland: two dukedoms, ten marquessates, 43 earldoms, 28 viscountcies, and 52 baronies.

This peerage is administered by the United Kingdom (which includes only part of the island of Ireland, namely Northern Ireland) and its titles are not officially recognised by the Republic of Ireland (which consists of the rest of the island), with Article 40.2 of the Constitution of Ireland forbidding the state conferring titles of nobility and stating that an Irish citizen may not accept titles of nobility or honour except with the prior approval of the Irish government.