#6557 פֶּרֶץ Perets {peh'-rets}

 the same as H6556; TWOT - n/a; n pr m

—Hebrew Word Study (Transliteration-Pronunciation Etymology & Grammar)

 Perez or Pharez = "breach"
 1) twin son with Zarah of Judah by Tamar and ancestor of two families
    of Judah, the Hezronites and Hamulites; from the Hezronites came
    the royal line of David and Christ

—Brown-Driver-Briggs (Old Testament Hebrew-English Lexicon)

—Strong's (Hebrew & Chaldee Dictionary of the Old Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - Pharez 12, Perez 3; 15

—Exhaustive Concordance (KJV Translation Frequency & Location)