בְּנֵ֖י שִׁמְע֑וֹן נְמוּאֵ֣ל וְיָמִ֔ין יָרִ֖יב זֶ֥רַח שָׁאֽוּל׃
The sons of Simeon: Nemuel, and Jamim, Jarib, Zerah, Shaul;
Rashi on I Chronicles
The sons of Simeon Since Simeon dwelt in Judah’s territory, he traces his lineage first and mentions his towns before those of Reuben.