1 Chronicles 23:22

And Eleazar died, and had no sons, but daughters: and their brethren the sons of Kish took them.

Cross-references

1 Chronicles 24:28 confirms that Eleazar had no sons, directly supporting the account of his daughters' marriage.

Numbers 36:6-8 provides the law: heiresses must marry within their tribe, explaining why Eleazar's daughters married kinsmen.

Numbers 36:8 specifically commands heiresses to marry within their father's clan, the principle applied to Eleazar's daughters.