Through treachery and murder; she ere long
Bore him two children, Atreus and Thyestes;
With envy they beheld the growing love
Their father cherish'd for a first-born son
Sprung from another union. Bound by hate,
In secret they contrive their brother's death.
The sire, the crime imputing to his wife,
With savage fury claim'd from her his child,
And she in terror did destroy herself--

THOAS.
Thou'rt silent? Pause not in thy narrative!
Do not repent thy confidence--say on!

IPHIGENIA.
How blest is he who his progenitors
With pride remembers, to the list'ner tells
The story of their greatness, of their deeds,
And, silently rejoicing, sees himself
Link'd to this goodly chain! For the same stock
Bears not the monster and the demigod:
A line, or good or evil, ushers in
The glory or the terror of the world.--
After the death of Pelops, his two sons
Rul'd o'er the city with divided sway.
But such an union could not long endure.
His brother's honour first Thyestes wounds.
In vengeance Atreus drove him from the realm.
Thyestes, planning horrors, long before
Had stealthily procur'd his brother's son,