1 Kings 3:17-18

3:17 One of the women said, “My master, this woman and I live in the same house. I had a baby while she was with me in the house. 3:18 Then three days after I had my baby, this woman also had a baby. We were alone; there was no one else in the house except the two of us. ¹ 

[3:18]  ¹ sn There was no one else in the house except the two of us. In other words, there were no other witnesses to the births who could identify which child belonged to which mother.