Siyah Chashm Poisons the Cup

From E9.6, The Reign of Farrokhzad. It illustrates E9.6.9–20:

E9.6.9
He had a slave, a cypress in his height,Fair, vigorous, pleasing to the outward sight.
E9.6.10
May turning Heaven never bring to birthAnother Siyah Chashm upon this earth.
E9.6.11
One day a serving maid came into view;Within his heart a love for her then grew.
E9.6.12
He sent to say, “Meet me in such a place;Great gifts shall crown your life with jeweled grace.
E9.6.13
I will adorn your crown with gems and gold.”She answered nothing, keeping silence cold.
E9.6.14
She went and told the matter to the king;Farrokhzad burned at hearing such a thing.
E9.6.15
His anger burned; his sorrow ran so deepThat he could neither take his food nor sleep.
E9.6.16
He fettered Siyah Chashm by both his feet,And cast him into prison’s harsh retreat.
E9.6.17
When time had passed, the just Shah’s heart grew kind;The many pleas for mercy swayed his mind.
E9.6.18
He freed the slave, who served him as of old,But now the love he once had felt ran cold.
E9.6.19
The king enjoyed his little share of rest;Into his wine the slave his poison pressed.
E9.6.20
The monarch drank, then withered day by day;For one full week in agony he lay.