Acts 4:1

Peter : a man who was a leader among the twelve apostles and wrote the two epistles of Peter

Sadducee : a group/sect of the Jews

Acts 6:12

Stephen : the man who became the first Christian martyr

Acts 11:11

Caesarea : a town on the Mediterranean 40 kilometers south of Mt. Carmel and 120 kilometers NW of Jerusalem.
(32° 29´, 34° 53´); (33° 14´, 35° 41´); (41° 0´, 24° 17´)

Acts 22:13

Saul : the sixth king of Edom,son of Simeon and a Canaanite woman,son of Uzziah of Kohath son of Levi

Acts 23:27

Jews : the people descended from Israel
(31° 46´, 35° 14´); (31° 46´, 35° 14´)

Roman : any person or thing associated with Rome, particularly a person who was a citizen of Rome.
(41° 54´, 12° 29´)