1 Chronicles 2:49

“She bare also Shaaph the father of Madmannah, etc.] Prince of a place so called, in the tribe of Judah, (<061531>Joshua 15:31) Sheva the father of Machbenah, and the father of Gibeah; prince of two cities of those names in the same tribe; of the latter (see <061557>Joshua 15:57), and the daughter of Caleb was Achsah; Caleb, the son of Jephunneh, had a daughter of this name, but neither he nor she are here meant, (<061516>Joshua 15:16,17) but by whom Caleb, the son of Hezron, had this daughter, is not said; perhaps by Maachah his concubine last mentioned.”

“Madmannah - This, and divers other following names are the names of places in Judah. 1 Chronicles 2:51”

“the father of Madmannah: Ch1 2:42; Madmannah was a city situated in the southern part of Judah, and towards Gaza, according to Eusebius. Jos 15:31; Isa 10:31, Madmenah Gibea: It is probable this was not Gibeah of Benjamin, and the royal residence of Saul, but Gibeah in the tribe of Judah, to which all these other cities belonged. Jos 15:57; Sa2 21:6, Gibeah 1 Chronicles 2:50”