Urwah (may Allah have mercy on him) states, among the names of the Muslims martyred on the day of Yamamah, then of the Ansar, then of Banu Malik bin Taym Allah: Thabit bin Khalid bin al-Nu'man bin Khansa'.
Hadith Referenceالمعجم الكبير للطبراني / باب الثاء / 1336