Genesis 21:11

And the thing is very wrong in the eyes of Abraham, for his son's sake;

Genesis 17:18

And Abraham saith unto God, 'O that Ishmael may live before Thee;'

Hebrews 12:11

and all chastening for the present, indeed, doth not seem to be of joy, but of sorrow, yet afterward the peaceable fruit of righteousness to those exercised through it -- it doth yield.

Genesis 22:1-2

And it cometh to pass after these things that God hath tried Abraham, and saith unto him, 'Abraham;' and he saith, 'Here am I.'

2 Samuel 18:33

And the king trembleth, and goeth up on the upper chamber of the gate, and weepeth, and thus he hath said in his going, 'My son! Absalom my son; my son Absalom; oh that I had died for thee, Absalom, my son, my son.'

Matthew 10:37

'He who is loving father or mother above me, is not worthy of me, and he who is loving son or daughter above me, is not worthy of me,

Treasury of Scripture Knowledge

Summary

And the thing was very grievous in Abraham's sight because of his son.

General references

Bible References

Because

Genesis 17:18
And Abraham saith unto God, 'O that Ishmael may live before Thee;'
Genesis 22:1
And it cometh to pass after these things that God hath tried Abraham, and saith unto him, 'Abraham;' and he saith, 'Here am I.'
2 Samuel 18:33
And the king trembleth, and goeth up on the upper chamber of the gate, and weepeth, and thus he hath said in his going, 'My son! Absalom my son; my son Absalom; oh that I had died for thee, Absalom, my son, my son.'
Matthew 10:37
'He who is loving father or mother above me, is not worthy of me, and he who is loving son or daughter above me, is not worthy of me,
Hebrews 12:11
and all chastening for the present, indeed, doth not seem to be of joy, but of sorrow, yet afterward the peaceable fruit of righteousness to those exercised through it -- it doth yield.

General references

Genesis 25:5
And Abraham giveth all that he hath to Isaac;