In Greek mythology, Orestes or Orestis was the son of Agamemnon and Clytemnestra, and the brother of Electra and Iphigenia. He was also known by the patronymic Agamemnonides, meaning "son of Agamemnon
Orestes being purified by Apollo, red-figure bell-krater, 380–370 BC
Orestes at Delphi flanked by Athena and Pylades among the Erinyes and priestesses of the oracle, perhaps including Pythia behind the tripod – Paestan red-figured bell-krater, c. 330 BC
Orestes, Elektra, and Pylades at the tomb of Agamemnon - Campanian red-figure hydria, c. 330 BC
Orestes and Iphigeneia on an antique mosaic, Musei Capitolini
In Greek mythology, Iphigenia was a daughter of King Agamemnon and Queen Clytemnestra, and thus a princess of Mycenae.
Orestes
…In Greek mythology, Orestes or Orestis (; Ancient Greek: Ὀρέστης ) was the son of Agamemnon and Clytemnestra, and the brother of Electra and Iphigenia. He was also known by the patronymic Agamemnonides (Ἀγαμεμνονίδης), meaning "son of Agamemnon." He is the subject of multiple Ancient Greek plays…
Iphigenia (centre) stands in a sanctuary of Artemis, in front of a statuette of the goddess (which sits atop a column), and an altar. Near her are Orestes (right), Pylades (far left), and a flying Nike (top left). Apulian red-figure calyx krater, c. 350–340 BC.
Roman fresco of Iphigenia, from Magdalensberg
Mosaic, 5th-century CE. From left to right: Iphigenia, Clytemnestra, Agamemnon.
Sacrifice of Iphigenia. Antique fresco from Pompeii, probably a copy of a painting by Timanthes.