
1) Euripides tragedy 2) Hercules rescued her 3) In castle is a lady of myth 4) Mythological Greek character 5) Play by Euripides 6) Play set in ancient Greece
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https://www.crosswordclues.com/clue/alcestis
[play] Maidservant ==Events prior to the start of the play== Long before the start of the play, King Admetus was granted by the Fates the privilege of living past the allotted time of his death. The Fates were persuaded to allow this by the god Apollo (who got them drunk). This unusual bargain was struck after Apollo was exiled from Olympus...
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http://en.wikipedia.org/wiki/Alcestis_(play)

(from the article `Admetus`) in Greek legend, son of Pheres, king of Pherae in Thessaly. Having sued for the hand of Alcestis, the most beautiful of the daughters of Pelias, ...
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http://www.britannica.com/eb/a-z/a/40

(from the article `Euripides`) Though tragic in form, Alcestis (438 ; Greek Alkstis) ends happily and took the place of the satyr play that normally followed the three tragedies. ...
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http://www.britannica.com/eb/a-z/a/41

In Greek mythology, the wife of Admetus, King of Thessaly. At their wedding, the god Apollo secured a promise from the
Fates that Admetus might postpone his death, when the time came, if he could...
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http://www.encyclo.co.uk/local/20688

Alcestis was the wife of Admetus in Greek mythology. Her husband was ill, and according to an oracle would not recover unless someone vowed to die in his place. Alcestis made the vow and her husband recovered. After she died Hercules brought her back from the infernal regions.
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http://www.probertencyclopaedia.com/browse/D1A.HTM

Wife of Admetus; offered to die in his place but saved from death by Hercules.
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https://www.infoplease.com/arts-entertainment/mythology/greek-and-roman-myt

the wife of Admetus who gave up her life in order that the Fates might save the life of Admetus and later was brought back from Hades by Hercules. · (italics) a tragedy (438 b.c.) by Euripides.
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https://www.infoplease.com/dictionary/alcestis
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