Sadducees = "the righteous"
1] a religious party among the Jews, at the time of Christ, who denied that the oral law was a revelation of God to the Israelites, and who deemed the written law alone to be obligatory on the nation, as the divine authority. They denied the following doctrines:
   1.a] resurrection of the body
   1.b] immortality of the soul
   1.c] existence of spirits and angels
   1.d] divine predestination, affirmed free will
derivation: probably from (4524)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=4523&version=kjv

(4524)
Sadoc = "just"
1] a descendant of Zerubbabel in the genealogy of Christ
derivation: of Hebrew origin (06659)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=4524&version=kjv

(06659)
Zadok = "righteous"
1] the high priest, son of Ahitub of the house of Eleazar the son of Aaron, and 11th in descent from Aaron; joined David after Saul's death and supported him against Absalom and Adonijah; anointed Solomon as king
2] a priest, son of Meraioth, father of Meshullam of the house of Ahitub; apparently a nephew of 1
3] father of Jerusha, the wife of king Uzziah and mother of king Jotham of Judah
4] son of Baana and repairer of the wall of Jerusalem in the time of Nehemiah
5] son of Immer and repairer of the wall of Jerusalem in the time of Nehemiah
6] a leader of the people in the time of Nehemiah
7] a scribe appointed by Nehemiah as one of the treasurers over the storehouse
8] a valiant warrior of the tribe of Benjamin who joined David at Hebron. Same as 1?
derivation: from (06663)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=6659&version=kjv

(06663)
1] to be just, be righteous
   1.a] (Qal)
       1.a.1] to have a just cause, be in the right
       1.a.2] to be justified
       1.a.3] to be just (of God)
       1.a.4] to be just, be righteous (in conduct and character)
   1.b] (Niphal) to be put or made right, be justified
   1.c] (Piel) justify, make to appear righteous, make someone righteous
   1.d] (Hiphil)
       1.d.1] to do or bring justice (in administering law)
       1.d.2] to declare righteous, justify
       1.d.3] to justify, vindicate the cause of, save
       1.d.4] to make righteous, turn to righteousness
   1.e] (Hithpael) to justify oneself
derivation: a primitive root
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=6663&version=kjv

Comment:
The genealogy and personal details shown above are not certain.

A link to each occurrence of this word in the homepage:
1] Sadducees