2 Kings 14:5

It happened, as soon as the kingdom was established in his hand, that he killed his servants who had slain the king his father:

Genesis 9:6

Whoever sheds man's blood, his blood will be shed by man, for God made man in his own image.

Exodus 21:12-14

"One who strikes a man so that he dies shall surely be put to death,

Numbers 35:33

"'So you shall not pollute the land in which you are: for blood, it pollutes the land; and no expiation can be made for the land for the blood that is shed therein, but by the blood of him who shed it.

2 Kings 12:20-21

His servants arose, and made a conspiracy, and struck Joash at the house of Millo, [on the way] that goes down to Silla.

2 Chronicles 25:3-4

Now it happened, when the kingdom was established to him, that he killed his servants who had killed the king his father.

Treasury of Scripture Knowledge

Summary

And it came to pass, as soon as the kingdom was confirmed in his hand, that he slew his servants which had slain the king his father.

General references

Bible References

That he slew

Genesis 9:6
Whoever sheds man's blood, his blood will be shed by man, for God made man in his own image.
Exodus 21:12
"One who strikes a man so that he dies shall surely be put to death,
Numbers 35:33
"'So you shall not pollute the land in which you are: for blood, it pollutes the land; and no expiation can be made for the land for the blood that is shed therein, but by the blood of him who shed it.

His servants

2 Kings 12:20
His servants arose, and made a conspiracy, and struck Joash at the house of Millo, [on the way] that goes down to Silla.
2 Chronicles 25:3
Now it happened, when the kingdom was established to him, that he killed his servants who had killed the king his father.

General references

Deuteronomy 24:16
The fathers shall not be put to death for the children, neither shall the children be put to death for the fathers: every man shall be put to death for his own sin.