Contradiction with Numbers 26:33
This verse introduces Zelophehad's daughters while Numbers 26:30 discusses geneological detail on Gilead.
Numbers 26:33: And Zelophehad the son of Hepher had no sons, but daughters: and the names of the daughters of Zelophehad [were] Mahlah, and Noah, Hoglah, Milcah, and Tirzah.
Contradiction with Genesis 46:13
Lists Job as a son of Issachar, not closely related to the Gileadites.
Genesis 46:13: And the sons of Issachar; Tola, and Phuvah, and Job, and Shimron. [Phuvah, and Job: or, Puah, and Jashub]
Contradiction with Exodus 1:5
Mentions the total number of Jacob's descendants, not detailing Gilead.
Exodus 1:5: And all the souls that came out of the loins of Jacob were seventy souls: for Joseph was in Egypt [already]. [loins: Heb. thigh]
Contradiction with 1 Samuel 1:1
Discusses Elkanah’s lineage, unrelated to the people in Numbers 26:30.
1 Samuel 1:1: Now there was a certain man of Ramathaimzophim, of mount Ephraim, and his name [was] Elkanah, the son of Jeroham, the son of Elihu, the son of Tohu, the son of Zuph, an Ephrathite:
Contradiction with 1 Chronicles 7:14
Lists different descendants of Manasseh than those in Numbers 26:30.
1 Chronicles 7:14: The sons of Manasseh; Ashriel, whom she bare: ([but] his concubine the Aramitess bare Machir the father of Gilead: