1 Kings 3:18

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 

1 Kings 12:20

12:20 When all Israel heard that Jeroboam had returned, they summoned him to the assembly and made him king over all Israel. No one except the tribe of Judah remained loyal to the Davidic dynasty. ² 

[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.

[12:20]  ² tn Heb “there was no one [following] after the house of David except the tribe of Judah, it alone.”