Guillaume is a thoroughbred horse born in Australia in 2020. Race horse Guillaume is by De Gaulle (AUS) out of Everyone's Girl (AUS). Guillaume form is available here. Owned by D R Grant, Ms D A Waymouth, R Waymouth, Ms R A Waymouth, D G Chambers, J S Hurst, M P Harrop, Ms B Bollas, Mrs T L Schepemaker, N J Schepemaker, S G Doran, R J Sitlington, R S Pimlott, J T Barry & Dr S W Maus.