They were the descendants of Lot, the man of God who pitched his tent toward Sodom.
Wafa Par Hamane Ghar Lutaana Tha Lekin, Wafa Laut Gayi Lutaane Se Pahale, Chiraag Tamanna Ka Jala Toh Diya Tha, Magar Bujh Gaya Jagamagaane Se Pahale.