# Ancus Marcius

> legendary fourth king of Rome

**Wikidata**: [Q206741](https://www.wikidata.org/wiki/Q206741)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ancus_Marcius)  
**Source**: https://4ort.xyz/entity/ancus-marcius

## Summary
Ancus Marcius is the legendary fourth king of Rome, traditionally counted among the early monarchs of Ancient Rome. He is credited in tradition with rulership of Rome and with creating or developing the Mamertine Prison.

## Biography
- Nationality: Ancient Rome
- Known for: Legendary fourth king of Rome; credited with creating/developing the Mamertine Prison
- Employer(s): Roman monarchy (as king) — traditional/legendary role
- Field(s): Politics; governance in Ancient Rome

Additional structured identifiers and metadata:
- wikipedia_title: Ancus Marcius
- wikidata_description: legendary fourth king of Rome
- sitelink_count: 54

## Contributions
- Served as the legendary fourth king of Rome (title and role preserved in Roman tradition). No specific regnal dates are provided in the source material.
- Credited with creating or developing the Mamertine Prison (source lists Mamertine Prison under "Created / Developed by" with metadata: Mamertine Prison — prison (country: Q38; sitelink_count: 24)).

## FAQs
Q: Who was Ancus Marcius?
A: Ancus Marcius is the figure traditionally identified as the fourth king of Rome in Roman tradition and legend.

Q: What is Ancus Marcius known for?
A: He is known primarily for being the legendary fourth king of Rome and for the traditional credit that he created or developed the Mamertine Prison.

Q: Was Ancus Marcius a real historical person?
A: The source describes Ancus Marcius as "legendary," indicating he is a figure of tradition within Ancient Rome rather than being established here as a fully verified historical individual.

Q: What is the Mamertine Prison connection?
A: Tradition and the provided source link Ancus Marcius to the creation or development of the Mamertine Prison; the prison entry includes metadata (country: Q38; sitelink_count: 24).

Q: In what field did Ancus Marcius operate?
A: He is associated with politics and governance within Ancient Rome.

## Why They Matter
Ancus Marcius matters as part of the roster of Rome’s early, foundational rulers in Roman tradition. As the legendary fourth king, he occupies a place in the narrative through which Romans explained the origins and early institutions of their city. The attribution of the Mamertine Prison to him connects his name to a concrete institution in Roman institutional memory; that association ties the figure of Ancus Marcius to the physical and civic structures of early Rome. Even as a legendary figure, his place in the sequence of kings helps shape later Roman conceptions of monarchy, civic development, and the continuity of Roman political tradition recorded in later sources.

## Notable For
- Being identified as the legendary fourth king of Rome.
- Being credited with creating or developing the Mamertine Prison (Mamertine Prison entry metadata: country: Q38; sitelink_count: 24).
- Appearing as a subject with a wikipedia_title of "Ancus Marcius" and a wikidata_description of "legendary fourth king of Rome."
- Having a sitelink_count of 54 in the provided structured data set.

## Body

### Identity and classification
- Ancus Marcius is presented in the source as a human and a politician, connected to the entity Ancient Rome.
- The structured metadata lists his wikipedia_title as "Ancus Marcius" and his wikidata_description as "legendary fourth king of Rome."
- The source records a sitelink_count of 54 for Ancus Marcius, indicating multiple linked entries in the referenced dataset.

### Status as a legendary king
- The source identifies Ancus Marcius specifically as the "legendary fourth king of Rome." This wording signals that his role is part of Rome’s traditional, early monarchical sequence preserved in ancient accounts.
- No regnal dates, birth dates, or concrete chronological markers are provided in the source; therefore, specific years of reign cannot be asserted here.

### Political role and field
- Ancus Marcius is associated with politics and governance within the context of Ancient Rome. The source connects him categorically to the role of politician and to the broader entity Ancient Rome, which the source defines as a country that began growing on the Italian Peninsula from the 8th century BC.

### Institutional contribution: Mamertine Prison
- The source lists Mamertine Prison under "Created / Developed by," linking that institution to Ancus Marcius. The prison is described in the provided metadata as: Mamertine Prison — prison (country: Q38; sitelink_count: 24).
- No construction date, architectural details, or operational history are provided in the source material; only the traditional attribution of creation/development is recorded.

### Legacy and documentation
- Ancus Marcius remains noteworthy in the dataset as a named element of Rome’s early monarchical tradition. His presence in modern structured data is indicated by the sitelink_count of 54 and the retained wikipedia_title/wikidata_description entries.
- The label "legendary" in his wikidata_description highlights that later historical treatment preserves him primarily within Rome’s foundational narratives rather than as a figure whose life events are fully corroborated by contemporary records.

### Related entities and metadata
- Related entity types shown in the dataset include: human (any single member of Homo sapiens), Ancient Rome (country that began growing on the Italian Peninsula from the 8th century BC), and politician (a person who holds or seeks positions in government).
- The Mamertine Prison entry includes its own metadata: country: Q38; sitelink_count: 24, which associates that institution in the same dataset structure.

### Summary of verifiable facts from source
- Name: Ancus Marcius.
- Primary identification: legendary fourth king of Rome.
- Credited institutional development: Mamertine Prison (listed as Created / Developed by).
- Data identifiers: wikipedia_title "Ancus Marcius"; wikidata_description "legendary fourth king of Rome"; sitelink_count 54.
- Associations: human, Ancient Rome, politician.

(End of entry.)

## References

1. Ancus Martius
2. Anc Marcius
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. CERL Thesaurus