There are two accepted forms for possessive singular nouns ending in s:
Add an apostrophe (') after the existing s at the end of the word: Prometheus'
Add an apostrophe s ('s) after the existing s at the end of the word: Prometheus's
Examples:
Prometheus' origins have varied over time.
Prometheus's origins have varied over time.
Fire.
The possessive form of the noun sky is sky's(the sky's color).
Singular = astronaut, singular possessive = astronaut's. Plural = astronauts, plural possessive = astronauts'.
Possessive noun is " sun's " Do NOT confuse with the plural , which is " suns ". Note the use of the apostrophe to indicate possession.
The plural possessive of "sun" is "suns'".
Prometheus does not have a Roman name.
Prometheus is the only name he is known by.
Prometheus is a Latinized version of a Greek name. Many of the miscellaneous figures in Greek mythology did not get renamed for the Romans. They simply "Latinized" their named. In Greek, Prometheus would have been Προμηθεύς.
The father of Prometheus is Iapetus. He was also the father of Atlas.
Prometheus and Epimetheus were Greek gods.
Prometheus
Forethought
The possessive form is Lois's.This is Lois's birthday.
Prometheus is the name Equality 7-2521 gives himself after JACOB BLACK AND EDWARD CULLEN.
Her name was Hesione and she bore him a son, Deucalion.
There is no Roman equivalent of Prometheus. The Roman referred to Prometheus by his Greek name.
The possessive form for the name Adams is Adams'.