The American Race-turf register 1833, p. 63 (VALLIANT/ Valiant) sais in all positions (diverse horses o.o. ATLANTA) that she was by (Old) VALLIANT, dun horse by Dormouse - Old Crab - Croft's Partner - Thwaitee's excellent Dun Mare got by Akaster Turk... (not listed jet in this 2 databases).