Revelation 3:4-9

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

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

Philadelphia : a town in Lydia in the western part of Asia Minor
(38° 20´, 28° 31´)

Sardis : the capital city of the province of Lydia in Asia Minor
(38° 28´, 28° 6´)

Satan : a person, male (evil angelic),an angel that has rebelled against God