Shammua = "renowned"

 1) son of Zaccur and the spy from the tribe of Reuben
 2) son of David by his wife Bathsheba
    2a) also 'Shammuah' and 'Shimea'
 3) a Levite, son of Galal and father of Abda who lived in Jerusalem
    after the return from exile in the time of Nehemiah
    3a) also 'Shemaiah'
 4) a priest, head of the family of Bilgah in the time of Joiakim
    after the return from exile