Numbers 2:12
“And those which pitch by him shall be the tribe of Simeon: and the captain of the children of Simeon shall be Shelumiel the son of Zurishaddai.”
On the south side shall be the standard of the camp of Reuben according to their armies: and the captain of the children of Reuben shall be Elizur the son of Shedeur.
And his host, and those that were numbered thereof, were forty and six thousand and five hundred.
And those which pitch by him shall be the tribe of Simeon: and the captain of the children of Simeon shall be Shelumiel the son of Zurishaddai.
And his host, and those that were numbered of them, were fifty and nine thousand and three hundred.
Then the tribe of Gad: and the captain of the sons of Gad shall be Eliasaph the son of Reuel.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And the sons of Simeon; Jemuel, and Jamin, and Ohad, and Jachin, and Zohar, and Shaul the son of a Canaanitish woman.”
“Of Simeon; Shelumiel the son of Zurishaddai.”
“Of the children of Simeon, by their generations, after their families, by the house of their fathers, those that were numbered of them, according to the number of the names, by their polls, every male from twenty years old and upward, all that were able to go forth to war;”
“And for a sacrifice of peace offerings, two oxen, five rams, five he goats, five lambs of the first year: this was the offering of Shelumiel the son of Zurishaddai.”
“Of Simeon; Shelumiel the son of Zurishaddai.”