The Signoria of Venice (Serenissima Signoria) was the supreme body of government of the Republic of Venice

Republic of Venice

The Republic of Venice or Venetian Republic was a state originating from the city of Venice in Northeastern Italy. It existed for over a millennium, from the late 7th century until 1797. It was formally known as the Most Serene Republic of Venice and is often referred to as La Serenissima, in...

. The original Greek name of the family was Spandounes. The oldest name, Commune Veneciarum, was replaced by Serenissima Signoria from 1423, being later officially adopted from the Promissione Ducale by Cristoforo Moro (12 May 1462).
The Signoria has ruled for a thousand years without ever changing of making any innovations.

The member of the Signoria of venice

The Signoria of Venice was constituted of:

• the Doge
  Doge of Venice
  The Doge of Venice , often mistranslated Duke was the chief magistrate and leader of the Most Serene Republic of Venice for over a thousand years. Doges of Venice were elected for life by the city-state's aristocracy. Commonly the person selected as Doge was the shrewdest elder in the city...
  
  , sovereign of the Dukedom
• the Minor Council (Minor Consiglio), created in 1175, which was composed of the 6 advisors of the Doge.
• the 3 leaders of the Quarantia, the supreme tribunal, created in 1179.

The Signoria was considered a very important body of government, more than the Doge himself. The sentence si è morto il Doge, no la Signoria (The Doge is dead, but the Signoria is living) was ritually said during the ceremonies set for the death of the Doge.