ISB ~ Luke 3 v2

the high-priesthood:Israel’s high priests held office one at a time. By NT times, Roman authorities appointed and deposed these priests at will.

Annas:Ministered from A.D. 6 until his replacement in A.D. 15. His influence in Jerusalem endured long after his term of office (Jn 18:13, 24; Acts 4:6).

Caiaphas:The son-in-law of Annas who ministered as high priest from A.D. 18 to 36.