Luke 1:7

But they had no children, because Elizabeth was unable to bear offspring due to their both being very old.

Luke 1:36

And consider this, your relative Elizabeth is also pregnant with a son in spite of her old age, and [even though] she was said to be unable to have children, she is now six months along.

Treasury of Scripture Knowledge

Summary

But Sarai was barren; she had no child.

Barren

Bible References

Barren

Luke 1:7
But they had no children, because Elizabeth was unable to bear offspring due to their both being very old.