Jovian Ceparius

Byzantine magister militum per Venetiae

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Jovian, surnamed Hypatus or Ceparius (Italian: Gioviano Ceparico Ipato), was Byzantine magister militum per Venetiae in charge of the duchy of Venice in 740. Following the murder of the doge Orso Ipato in 737, the Exarch of Ravenna imposed administration by annual magistri militum on Venice who replaced the doge. Jovian was the fourth of these officials. This period of government by magistri militum lasted until 742, when the fifth and last of such officials was deposed and the dogeship was restored.

Not much is known about Jovian. John the Deacon, who wrote the Chronicon Venetum et Gradense, in the early 11th century, said that he ruled wisely. He called him the ipato named Jovianus. This indicates that he had the title of hypatos. This was a Byzantine honorary title which roughly meant first among the consuls. During his government there was a violent clash between the town of Heraclia and neighbour and rival Equilium.

References

Heinrich Kretschmayr, Geschichte von Venedig, Band I: Bis zum Tode Enrico Dandolos, Gotha 1905
Samuele Romanin, Storia documentata di Venezia, Pietro Naratovich tipografo editore, Venezia, 1853.

Political offices
Preceded by Teodato Ipato	Magister militum per Venetiae 741	Succeeded by Giovanni Fabriciaco

Doges of Venice

Byzantine period (697–737)
Paolo Lucio Anafesto Marcello Tegalliano Orso Ipato

Regime of the magistri militum (738–742)
Domenico Leoni Felice Cornicola Teodato Ipato Jovian Ceparius John Fabriacus

Ducal period (742–1148)
8th century	Teodato Ipato* Galla Lupanio* Domenico Monegario* Maurizio Galbaio Giovanni Galbaio*
9th century	Obelerio degli Antenori† Agnello Participazio Giustiniano Participazio Giovanni I Participazio Pietro Tradonico† Orso I Participazio Giovanni II Participazio♦ Pietro I Candiano‡ Pietro Tribuno
10th century	Orso II Participazio Pietro II Candiano Pietro Participazio Pietro III Candiano Pietro IV Candiano† Pietro I Orseolo♦ Vitale Candiano♦ Tribuno Memmo Pietro II Orseolo
11th century	Otto Orseolo* Pietro Centranico* Domenico Flabanico Domenico I Contarini Domenico Selvo* Vitale Faliero Vitale I Michiel
12th century	Ordelafo Faliero Domenico Michiel Pietro Polani
* deposed † executed or assassinated ‡ killed in battle ♦ abdicated

Republican period (1148–1797)
12th century	Domenico Morosini Vitale II Michiel Sebastiano Ziani Orio Mastropiero Enrico Dandolo
13th century	Pietro Ziani Jacopo Tiepolo Marino Morosini Reniero Zeno Lorenzo Tiepolo Jacopo Contarini Giovanni Dandolo Pietro Gradenigo
14th century	Marino Zorzi Giovanni Soranzo Francesco Dandolo Bartolomeo Gradenigo Andrea Dandolo Marino Faliero† Giovanni Gradenigo Giovanni Dolfin Lorenzo Celsi Marco Cornaro Andrea Contarini Michele Morosini Antonio Venier
15th century	Michele Steno Tommaso Mocenigo Francesco Foscari* Pasquale Malipiero Cristoforo Moro Nicolò Tron Nicolò Marcello Pietro Mocenigo Andrea Vendramin Giovanni Mocenigo Marco Barbarigo Agostino Barbarigo
16th century	Leonardo Loredan Antonio Grimani Andrea Gritti Pietro Lando Francesco Donato Marcantonio Trivisan Francesco Venier Lorenzo Priuli Girolamo Priuli Pietro Loredan Alvise I Mocenigo Sebastiano Venier Nicolò da Ponte Pasquale Cicogna Marino Grimani
17th century	Leonardo Donato Marcantonio Memmo Giovanni Bembo Nicolò Donato Antonio Priuli Francesco Contarini Giovanni I Cornaro Nicolò Contarini Francesco Erizzo Francesco Molin Carlo Contarini Francesco Cornaro Bertuccio Valiero Giovanni Pesaro Domenico II Contarini Nicolò Sagredo Alvise Contarini Marcantonio Giustinian Francesco Morosini Silvestro Valiero Alvise II Mocenigo
18th century	Giovanni II Cornaro Alvise III Mocenigo Carlo Ruzzini Alvise Pisani Pietro Grimani Francesco Loredan Marco Foscarini Alvise IV Mocenigo Paolo Renier Ludovico Manin*
† Marino Faliero (1354–55) was convicted of treason, executed and condemned to damnatio memoriae * Francesco Foscari (1423–57) was forced to abdicate by the Council of Ten * Ludovico Manin (1789–97) was forced to abdicate by Napoleon leading to the Fall of the Republic of Venice