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Q. Herennius Decius
Quintus Herennius Decius: son and co-ruler of the Roman emperor Decius (r. 250-251).
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Names:
- c.220-230: Quintus Herennius Etruscus Messius Decius
- May 250: caesar; Princeps Iuventutis
- June 251: Imperator Caesar Quintus Herennius Etruscus Messius Decius Augustus
- July 251: killed in action
Successor of: Decius
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Relatives:
- father: Decius
- mother: Herennia Etruscilla
Appointed by his father Decius as co-ruler, but killed in a fight near Abritus in Moesia. His father died soon after but Hostilianus, a younger son was adopted by Trebonianus Gallus. This young man soon died of natural causes.