Do The Original Houses of Numbers Still Exist?

Are there still leaders of these households or are they obsolete? 1. Reuben: 46,500 2. Simeon: 59,300 3. Gad: 45,650 4. Judah: 74,600 5. Issachar: 54,400 6. Zebulun: 57,400 7. Joseph: - Ephraim: 40,500 - Manasseh: 32,200 9. Benjamin: 35,400 10. Dan: 62,700 11. Asher: 41,500 12. Naphtali: 53,400 13. Levites: ?