I Chronicles 1:48 Midrash

וַיָּ֖מָת שַׂמְלָ֑ה וַיִּמְלֹ֣ךְ תַּחְתָּ֔יו שָׁא֖וּל מֵרְחֹב֥וֹת הַנָּהָֽר׃

And Samlah died, and Shaul of Rehoboth by the River reigned in his stead.

Read midrashic interpretation of I Chronicles 1:48: and classical rabbinic exegesis.