Picture Study Bible with Maps and Background Information
judges 1:3 Then Judah said to Simeon his brother, "Come up with me into the territory allotted me, that we may fight against the Canaanites; and I in turn will go with you into the territory allotted you." So Simeon went with him.
3. Judah said unto Simeon his brother, Come up with me . . ., that we
may fight against the Canaanites--Being conterminous tribes
(Jos 19:1, 2),
they had a common interest, and were naturally associated in this
enterprise.