This can be stated in active form. Alternate translation: "the God of Jacob decreed it" or "the God of Jacob commanded it" (See: [[rc://en/ta/man/translate/figs-activepassive]])
Here "Jacob" represents all of his descendants. Alternate translation: "the God of Israel, the nation of Jacob's descendants" (See: [[rc://en/ta/man/translate/figs-synecdoche]])