unto which promise our twelve tribes, earnestly serving God night and day, hope to attain. And concerning this hope I am accused by the Jews, O king!

the promise our twelve tribes are hoping to realize as they earnestly serve God day and night. It is because of this hope, O king, that I am accused by the Jews.

to which our twelve tribes, intently night and day serving, do hope to come, concerning which hope I am accused, king Agrippa, by the Jews;

to which our whole twelve tribes serving incessantly day and night hope to arrive; about which hope, O king, I am accused of [the] Jews.