Mark 10:41

James : a son of Zebedee; brother of John; an apostle,a son of Alpheus; an apostle,a brother of Jesus; writer of the epistle of James,the father (or brother) of the apostle Judas

John : a son of Zebedee; younger brother of James; the beloved disciple of Christ,a relative of Annas the high priest,a son of Mary the sister of Barnabas, and surnamed Mark,the father of Simon Peter

Mark 5:20

Decapolis : a large region south of the Sea of Galilee mainly east of the Jordan
(33° 31´, 36° 18´)

Mark 7:31

Decapolis : a large region south of the Sea of Galilee mainly east of the Jordan
(33° 31´, 36° 18´)

Galilee : the region of Palestine north of Sameria and west of the upper Jordan River,a region west of Lake Galilee and north of the Jezreel Valley
(31° 51´, 35° 31´); (32° 42´, 35° 18´); (31° 51´, 35° 31´); (32° 1´, 35° 13´); (32° 48´, 35° 35´)

Sidon : residents of the town of Sidon
(33° 33´, 35° 21´)

Tyre : a resident of the town of Tyre
(33° 16´, 35° 11´)