She became pregnant again and had another son. She said, “This time I will praise the Lord.” That is why she named him Judah. ¹  Then she stopped having children.

When Leah saw that she had stopped having children, she gave ¹  her servant Zilpah to Jacob as a wife.

So Sarai said to Abram, “Since ¹  the Lord has prevented me from having children, have sexual relations with ²  my servant. Perhaps I can have a family by her.” ³  Abram did what ⁴  Sarai told him.