The Kingdom of Israel (Samaria), often called the Northern Kingdom of Israel, contained the remaining ten tribes, but following its conquest by Assyria, these were allegedly dispersed and lost to history, and henceforth known as the Ten Lost Tribes.
The Kingdom of Israel (Samaria), often called the Northern Kingdom of Israel, contained all the tribes except for the tribes of Judah and Benjamin. Following its conquest by Assyria, these ten tribes were allegedly dispersed and lost to history, and henceforth known as the Ten Lost Tribes.