
Dis Pater, or Dispater was a Roman god of the underworld, later subsumed by Pluto or Hades. Originally a chthonic god of riches, fertile agricultural land, and underground mineral wealth, he was later commonly equated with the Roman deities Pluto and Orcus, becoming an underworld deity. Dis Pater was commonly shortened to simply Dis. This name has...
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http://en.wikipedia.org/wiki/Dis_Pater

(Latin: Rich Father), in Roman religion, god of the infernal regions, the equivalent of the Greek Hades (q.v.), or Pluto (Rich One). Also known to ... [1 related articles]
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http://www.britannica.com/eb/a-z/d/54

Pluto or Hades.
Found on
http://www.chalquist.com/writings/greekmyth/
No exact match found.