#It came about that

Possible meanings are 1) This phrase is used here to mark where the action starts, and if your language has a way for doing this, you could consider using it here, or 2) "And that was what happened" (UDB).

#The princes of Pharaoh saw her

"Pharaoh's officials saw Sarai" or "the king's officials saw her" (UDB)

#the woman was taken into Pharaoh's household

This can be stated in active form. AT: "Pharaoh took her into his household" or "Pharaoh had his soldiers take her into his household" (See: [[:en:ta:vol2:translate:figs_activepassive]])

#the woman

Sarai

#Pharaoh's household

Possible meanings are 1) "Pharoah's family," that is, as a wife, or 2) "Pharaoah's house" or "Pharaoh's palace," a euphemism for Pharaoh making her one of his wives. (See: [[:en:ta:vol2:translate:figs_euphemism]])

#for her sake

"for Sarai's sake" or "because of her"