Galatians 4:29

but just as in old times the son born by the flesh used to persecute the son born by the power of the Spirit, so also it is now.

Galatians 4:22

For it is written that Abraham had two sons, one by the slave woman and one by the free woman;

Hebrews 11:36

Others again bore trial of mockings and scourgings, yes, even of chains and imprisonment.

Treasury of Scripture Knowledge

Summary

And Sarah saw the son of Hagar the Egyptian, which she had born unto Abraham, mocking.

Bible References

Mocking

Galatians 4:22
For it is written that Abraham had two sons, one by the slave woman and one by the free woman;
Hebrews 11:36
Others again bore trial of mockings and scourgings, yes, even of chains and imprisonment.