クイーンエリザベス2世ステークス
Monterosso's sire, Dubawi won the Irish 2,000 Guineas and the Prix Jacques Le Marois before going on to a successful stud career, siring winners including Makfi (2000 Guineas) and Poet's Voice (Queen Elizabeth II Stakes). His dam, Porto Roca, was a successful Australian racehorse, winning the Coolmore Classic in 2001.