1 Chronicles 4:21
The sons of Shelah the son of Judah were, Er the father of Lecah, and Laadah the father of Mareshah, and the families of the house of them that wrought fine linen, of the house of Ashbea,
Cross-reference
1 Chronicles 2:3
Parallel
1 Chronicles 2:3 lists Shelah as a son of Judah — the same Shelah whose descendants are given in v.21.
Numbers 26:20
Historical context
Numbers 26:20 names the Shelanite clan from Shelah — this verse details Shelah's immediate descendants.
Genesis 38:5
Historical context
Genesis 38:5 records the birth of Shelah, the ancestor of the clans listed here in 1 Chronicles 4:21.
Genesis 46:12
Historical context
Genesis 46:12 lists Shelah as a son of Judah — this verse gives Shelah's own sons.