1 Chronicles 4:18
And his wife Jehudijah bare Jered the father of Gedor, and Heber the father of Socho, and Jekuthiel the father of Zanoah. And these are the sons of Bithiah the daughter of Pharaoh, which Mered took.
Cross-reference
1 Chronicles 4:17 lists Mered's sons that continue in v.18 — they are consecutive verses in the same genealogy.
1 Chronicles 4:19 continues the same genealogical list of Judah's descendants immediately after verse 18, forming a sequential record.
1 Chronicles 4:4 also mentions 'Gedor' as a place founded by Penuel — here Jered is called father of Gedor, suggesting two traditions about the same location.
Joshua 15:34 lists Zanoah among Judah's towns — this genealogy names Jekuthiel as father of Zanoah, associating the clan with that location.
Joshua 15:35 lists Socoh among Judah's towns — this genealogy's 'Heber father of Soco' links the clan to that location.
Joshua 15:48 again lists Socoh in the hill country of Judah, confirming the place named in this genealogy.
1 Samuel 17:1 places the Philistine camp at Socoh (Shochoh), showing this Judahite town was a real battlefield.
1 Kings 4:10 lists Socoh as a district under Solomon, connecting the genealogical place to administrative history.
Joshua 15:58 lists Gedor as a city in Judah — this identifies the place named in verse 18 as a historical town in the tribal allotment.
2 Chronicles 11:7 lists Soco as a fortified city of Rehoboam — this matches the place named 'Soco' in verse 18 as a settlement founded by Heber.