Sir Choisir is a thoroughbred horse born in Australia in 2010. Race horse Sir Choisir is by Choisir (AUS) out of Muzareta (AUS) , trained by John Macmillan. Sir Choisir form is available here. Owned by Ms T J Hartwell, R W Webb, A G Grantham, L F Grantham, G Chrisakis, Mrs S Chrisakis, H Chrisakis, K Chrisakis, Mrs Y J Caire, D V Johnson, T M Daly, D.