fiveforthree is a grey horse bred at the rusellstown stud near mullingar in county westmeath by peter and ann downes. he was sired by arzanni (1987–2002) who won the yorkshire cup and took second place in ascot gold cup for his owner and breeder the aga khan in 1991. apart from fiveforthree, his best runner was probably eskleybrook, a successful steeplechaser. fiveforthree's dam what a queen had previously produced celestial gold, a very successful chaser who won the paddy power gold cup and the hennessy gold cup in 2004. what a queen was a descendant of lady sunderlin, a half-sister of the grand national winner mr what.