Ephraim and Manasseh were two of the tribes in the northern part of Israel. Here the phrase "Ephraim and Manasseh" refers to the people who belonged to all ten of the northern tribes of Israel. AT: "the northern tribes of Israel" (See: [[rc://en/ta/man/translate/figs-synecdoche]])
# deciding to celebrate the Passover in the second month
The Israelites normally celebrated the passover during the first month of the Hebrew calendar. The first month is during the last part of March and the first part of April on Western calendars.
This is the second month of the Hebrew calendar. It is during the last part of April and the first part of May on Western calendars. (See: [[rc://en/ta/man/translate/translate-hebrewmonths]] and [[rc://en/ta/man/translate/translate-ordinal]])