Mahbud's Sons Taste the Milk

From E1.1, Zarvan’s Sorcery and the Fall of Mahbud. It illustrates E1.1.66–74:

E1.1.66
Zarvan pressed forward to the Shah in haste;He warned the Shah: “Touch not this food nor taste.
E1.1.67
Let someone taste it first; the cook has spreadA deadly poison through the milk,” he said.
E1.1.68
“May those who hate you drink this fatal fare,While you, great Shah, escape this deadly snare.”
E1.1.69
Then Anooshirvan turned his searching eyesUpon the two young men in shocked surprise.
E1.1.70
Their mother was the cook, a prudent dame,Devoted to her household and its name.
E1.1.71
The brothers, innocent of any wrong,Quickly rolled back their sleeves and stood strong.
E1.1.72
They tasted of the milk, both rich and sweet,Then fell down dead before the monarch’s feet.
E1.1.73
Before the Shah they perished where they lay;Anooshirvan’s color drained away.
E1.1.74
His cheeks grew yellow as fenugreek in bloom;Then wrath and grief together filled the room.