True Mettle is a thoroughbred horse born in Australia in 2017. Race horse True Mettle is by Pride Of Dubai (AUS) out of Helsingor (AUS) , trained by Dean Grass. True Mettle form is available here. Owned by Mrs P Caruso, D Grass, T A Ongarezos, A G Nelson, Mrs M Nelson, K M Dagg, S Boob, Mrs R Boob, J Johnston, Mrs C J Clarke, A R Clarke, Ms B Birnbauer-Johnston, J Johnston, D J Ritossa & K L F Duncan.