She said, "O Joseph, how beautiful your hair is" He answered, "It is the first thing that will fall off of my body." She said, "O Joseph, how beautiful your eyes are!" He answered, "They are the first things that will melt into the earth from my body." She said, "O Joseph how beautiful your face is! He answered, "The earth will eat it (Al-Tabari 380)
Suddenly Jacob appeared to him, standing in the house and biting his fingers, saying, O Joseph, do not have intercourse with her . . . . Joseph loosened his waistband and sat with her as one who possesses would sit. . . . . She lay on her back for him and he sat between her legs removing his clothes (Al-Tabari 381)
Who is Potiphar?
The king married Joseph to Potiphar's wife Ra'il. When she was brought to him, he said, "Is this not better than what you desired?" It is said that she answered. "O honest one, do not blame me, for as you see I was a beautiful and graceful woman, comfortable in my possessions and worldly goods, and my master ddi not have intercourse with women. And you were as God made you, with your beauty and appearance, and I could not control myself, as you saw." They said that he found her to be a virgin . . . . she bore him two sons, Ephraim b. Joseph and Manasseh b. Joseph (Al-Tabari, 392).
דא"ר יהושע בן לוי רואה היתה באסטרולוגין שלה שהיא עתידה להעמיד ממנו בן ולא היתה יודעת אם ממנה אם מבתה, הה"ד (שם ישעיהו מז) מודיעים לחדשים מאשר יבואו עליך, ר' איבו אמר מאשר ולא כל אשר, ודכוותה
She [Potiphar's wife ] saw through her astrological arts that she would give birth to a boy by him [Joseph], but she did not know whether it was to be from her or her daughter. Thus it is written: " let the astrologers come forward now and save you, the star-gazers who announce month by month what will happen to you next (Isaiah 47:13).