Westover was born in 2019. He is by Frankel out of Mirabilis by Lear Fan.
Westover, by undefeated champion and Britain and Ireland Champion Sire Frankel and from the family of French Oaks winner Nebraska Tornado, captured the Group 1 Irish Derby by seven lengths at 3 and the Group 1 Grand Prix de Saint-Cloud by two at 4. He was runner-up in the Group 1 races four times, including the Prix de l'Arc de Triomphe and the King George VI And Queen Elizabeth Stakes. He also finished an unlucky 3rd after suffering trouble in running in the straight in the Group 1 Derby.
Westover entered stud in Japan in 2024.
Westover, by undefeated champion and Britain and Ireland Champion Sire Frankel and from the family of French Oaks winner Nebraska Tornado, captured the Group 1 Irish Derby by seven lengths at 3 and the Group 1 Grand Prix de Saint-Cloud by two at 4. He was runner-up in the Group 1 races four times, including the Prix de l'Arc de Triomphe and the King George VI And Queen Elizabeth Stakes. He also finished an unlucky 3rd after suffering trouble in running in the straight in the Group 1 Derby.
Westover entered stud in Japan in 2024.