New Revised Standard Version
Abimelech said, “I do not know who has done this; you did not tell me, and I have not heard of it until today.”

Contemporary English Version
"This is the first I've heard about it," Abimelech replied. "Why haven't you said something before? I don't have any idea who did it."

New American Bible
“I have no idea who did that,” Abimelech replied. “In fact, you never told me about it, nor did I ever hear of it until now.”

Douay-Rheims Bible
And Abimelech answered: I knew not who did this thing: and thou didst not tell me, and I heard not of it till today.

And Abimelech answered: I knew not who did this thing: and thou didst not tell me, and I heard not of it till today.

I wot.

Genesis 13:7 Whereupon also there arose a strife between the herdsmen of Abram and of Lot. And at that time the Chanaanite and the Pherezite dwelled in that country.

2 Kings 5:20-24 But Giezi, the servant of the man of God, said: My master hath spared Naaman this Syrian, in not receiving of him that which he brought: as the Lord liveth, I will run after him, and take something of him. . . .