New Revised Standard Version
He gathered all Judah and Benjamin, and those from Ephraim, Manasseh, and Simeon who were residing as aliens with them, for great numbers had deserted to him from Israel when they saw that the LORD his God was with him.

Contemporary English Version
Asa called together the people from Judah and Benjamin, as well as the people from the territories of Ephraim, West Manasseh, and Simeon who were living in Judah. Many of these people were now loyal to Asa, because they had seen that the LORD was with him.

New American Bible
Then he gathered all Judah and Benjamin, together with those of Ephraim, Manasseh, and Simeon who were resident with them; for many had defected to him from Israel when they saw that the LORD, his God, was with him.

Douay-Rheims Bible
And he gathered together all Juda and Benjamin, and the strangers with them of Ephraim, and Manasses, and Simeon: for many were come over to him out of Israel, seeing that the Lord his God was with him.

And he gathered together all Juda and Benjamin, and the strangers with them of Ephraim, and Manasses, and Simeon: for many were come over to him out of Israel, seeing that the Lord his God was with him.

the strangers

2 Chronicles 11:16 Moreover out of all the tribes of Israel, whosoever gave their heart to seek the Lord the God of Israel, came into Jerusalem to sacrifice their victims before the Lord the God of their fathers.

2 Chronicles 30:1-11,25 And Ezechias sent to all Israel and Juda: and he wrote letters to Ephraim and Manasses, that they should come to the house of the Lord in Jerusalem, and keep the phase to the Lord the God of Israel, . . .

they fell

1 Kings 12:19 And Israel revolted from the house of David, unto this day.

1 Chronicles 12:19 And there were some of Manasses that went over to David, when he came with the Philistines against Saul to fight: but he did not fight with them: because the lords of the Philistines taking counsel sent him back, saying: With the danger of our heads he will return to his master Saul.

they saw

Genesis 39:3 Who knew very well that the Lord was with him, and made all that he did to prosper in his hand.

1 Samuel 18:28 And Saul saw, and understood that the Lord was with David. And Michol, the daughter of Saul, loved him.

1 Kings 3:28 And all Israel heard the judgment which the king had judged, and they feared the king, seeing that the wisdom of God was in him to do judgment.

Zechariah 8:21-23 And the inhabitants go one to another, saying: Let us go, and entreat the face of the Lord, and let us seek the Lord of hosts: I also will go. . . .

Acts 7:9,10 And the patriarchs, through envy, sold Joseph into Egypt. And God was with him, . . .

Acts 9:31 Now, the church had peace throughout all Judea and Galilee and Samaria: and was edified, walking in the fear of the Lord: and was filled with the consolation of the Holy Ghost.