Earl of Essex is a title that has been held by several families and individuals, of which the best-known and most closely associated with the title was Robert Devereux, 2nd Earl of Essex (1566 - 1601). Other notable individuals to have held the title were:
... it refers to an adherent of a monarch or royal family.
Of the more specific uses of the term, the most common include:
1. A supporter of King Charles I of ...