|Easton's Bible Dictionary|
Whitish, one of the sons of Anak (Numbers 13:22). When the Israelites obtained possession of the country the sons of Anak were expelled and slain (Joshua 15:14; Judges 1:10).
Int. Standard Bible Encyclopedia
she'-shi (sheshay): One of the sons of Anak, perhaps an old Hebronite clan name. (Sayce combines the name with Sasu, the root sh-c-h, the Egyptian name for the Syrian Bedouins.) The clan lived in Hebron at the time of the conquest and was expelled by Caleb (Numbers 13:22, Codex Vaticanus Sessei; Codex Alexandrinus Semei; Joshua 15:14, Codex Vaticanus Sousei; Codex Alexandrinus Sousai; Judges 1:10, Codex Vaticanus Sessei; Codex Alexandrinus Geththi).
Sheshai (3 Occurrences)
Numbers 13:22 They went up by the South, and came to Hebron; and Ahiman, Sheshai, and Talmai, the children of Anak, were there. (Now Hebron was built seven years before Zoan in Egypt.) (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Joshua 15:14 Caleb drove out the three sons of Anak: Sheshai, and Ahiman, and Talmai, the children of Anak. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Judges 1:10 Judah went against the Canaanites who lived in Hebron (now the name of Hebron before was Kiriath Arba); and they struck Sheshai, and Ahiman, and Talmai. (WEB KJV JPS ASV BBE WBS YLT NAS NIV)