בַּיּוֹם֙ הַחֲמִישִׁ֔י נָשִׂ֖יא לִבְנֵ֣י שִׁמְע֑וֹן שְׁלֻֽמִיאֵ֖ל בֶּן־צוּרִֽישַׁדָּֽי׃
On the fifth day Shelumiel the son of Zurishaddai, prince of the children of Simeon:
Read kabbalistic (mystical) interpretation of Numbers 7:36: and classical mystical sources.