And the border went up by the valley of the son of Hinnom unto the south side of the Jebusite; the same is Jerusalem: and the border went up to the top of the mountain that lieth before the valley of Hinnom westward, which is at the end of the valley of the giants northward: The valley of the son of Hinnom - Who Hinnom was is not known, nor why this was called his valley. It was situated on the east of Jerusalem; and is often mentioned in Scripture. The image of the idol Molech appears to have been set up there; and there the idolatrous Israelites caused their sons and daughters to pass through the fire in honor of that demon, 2 Kings 23:10. It was also called Tophet, see Jeremiah 7:32. When King Josiah removed the image of this idol from this valley, it appears to have been held in such universal execration, that it became the general receptacle of all the filth and impurities which were carried out of Jerusalem; and it is supposed that continual fires were there kept up, to consume those impurities and prevent infection. From the Hebrew words גי בן הנם gei ben Hinnom, the valley of the son of Hinnom, and by contraction, גי הנם gei Hinnom, the valley of Hinnom, came the Γεεννα, Gehenna of the New Testament, called also Γεεννα του πυρος, the Gehenna of fire, which is the emblem of hell, or the place of the damned. See Matthew 5:22, Matthew 5:29, Matthew 5:30; Matthew 10:28; Matthew 18:9, etc. In the East it is common to add the name of the father to that of the son, e.g., "This land belongs to Goborka the son of Kake Prusada." But this addition is not made till after the father's death. This custom prevailed also in the west. It is common among the aborigines of both Ireland and Wales.
The same is Jerusalem - This city was formerly called Jebus; a part of it was in the tribe of Benjamin; Zion, called its citadel, was in the tribe of Judah.
The valley of the giants - Of the Rephaim. See the notes on Genesis 6:4; Genesis 14:5; Deuteronomy 2:7, Deuteronomy 2:11. On this subject, a very intelligent clergyman favors me with his opinion in the following terms: -
"The boundary between Judah and Benjamin went up from the valley of Hinnom on the east to the top of the hill southward, leaving Jebusi (or Jerusalem) to the northwest adjoining to Benjamin. This mount (Jebusi) lay between the two tribes, which the Jebusites possessed till the time of David. At the 63d verse here, it is said Judah could not drive out these people; and in Judges 1:21, the same is said of the Benjamites. Each tribe might have attacked them at various times. There were various mounts or tops to these hills. Mount Zion and Moriah, where the temple stood, was in the tribe of Judah; Psalms 78:68, Psalms 78:69; Psalms 87:2. "In Deuteronomy 33:12 it is said of Benjamin, the Lord shall dwell by him, i.e., near him, or beside his borders, between his shoulders; the line might be circular between the two hills or tops so as in part to encompass Mount Zion in the tribe of Judah, on which the temple stood. Benjamin's gate, (mentioned Jeremiah 37:12, Jeremiah 37:13; Jeremiah 38:7), was the gate leading out of the city, into the tribe of Benjamin. So the gate of Ephraim, (2 Kings 14:13), was a gate which led towards the tribe of Ephraim. We give names to roads, etc., in the same way now. "Mount Calvary, (which was on the outside of the gate), seems to have been in the tribe of Benjamin. Query. Whether Calvary or Golgotha was so called from skulls being scattered about there, (as say some), or rather from the figure of the rock being shaped like a man's skull, with one face of it nearly perpendicular? I incline to this latter opinion. I believe the Jews did not suffer human bones, even of malefactors, to lie about." - J. C.