Proper noun
One
of
the
most
distinguished
heroes
of
Greek
mythology
.
He
is
the
son
of
King
Atreus
of
Mycenae
and
Queen
Aerope
and
the
brother
of
Menelaus
.
He
is
famous
for
rallying
the
Greeks
in
the
Trojan War
,
yet
infamous
for
the
sacrifice
of
his
daughter
Iphigenia
at
the
commencement
of
the
war
.