|Int. Standard Bible Encyclopedia|
bath'-shu-a (bath-shua`, "the daughter of opulence" or "the daughter of Shua"; compare BATH-SHEBA; for derivation see HPN, 67, 69, note 3):
(1) In Genesis 38:2 and 1 Chronicles 2:3, where the name is translated "Shua's daughter," the wife of Judah.
(2) In 1 Chronicles 3:5, the daughter of Ammiel and wife of David.
Bathshua (2 Occurrences)
1 Chronicles 2:3 The sons of Judah: Er and Onan and Shelah; these three were his sons by Bathshua, the Canaanite woman. And Er, Judah's oldest son, did evil in the eyes of the Lord; and he put him to death. (BBE)
1 Chronicles 3:5 and these were born to him in Jerusalem: Shimea, and Shobab, and Nathan, and Solomon, four, of Bathshua the daughter of Ammiel; (WEB KJV)