Rulership was born in 2007. He is by King Kamehameha out of Air Groove by Tony Bin.
Rulership is a winner of five Group or Graded races including the Group 1 Queen Elizabeth II Cup at Sha Tin by decisive 3 3/4 lengths, beating Thumbs Up and Treasure Beach.
He is by Japanese Derby winner and Japanese Champion Sire King Kamehameha and out of Horse of the Year in Japan Air Groove. In addition to that, his half-sister Admire Groove was crowned Best Older Mare in Japan in 2004 and is the dam of the Japanese Derby victor Duramente.
Rulership entered stud in Japan in 2013. In 2019, Mer de Glace stormed home to win the Group 1 Caulfield Cup with subsequent Melbourne Cup victor Vow And Declare finishing 2nd. In 2022, Dolce More captured the Grade 1 Asahi Hai Futurity Stakes and was awarded Best Two-Year-Old Colt in Japan.
Among his other best progeny are Kiseki, who won the Grade 1 Kikuka Sho (Japanese St. Leger); Danburite, who won the Grade 2 Kyoto Kinen and the Grade 2 American Jockey Club Cup; and Lion Lion, who took the Grade 2 St. Lite Kinen and the Grade 2 Aoba Sho.
He was crowned Japanese Champion Freshman Sire in 2016.
Rulership is a winner of five Group or Graded races including the Group 1 Queen Elizabeth II Cup at Sha Tin by decisive 3 3/4 lengths, beating Thumbs Up and Treasure Beach. He is by Japanese Derby winner and Japanese Champion Sire King Kamehameha and out of Horse of the Year in Japan Air Groove. In addition to that, his half-sister Admire Groove was crowned Best Older Mare in Japan in 2004 and is the dam of the Japanese Derby victor Duramente.
Rulership entered stud in Japan in 2013. In 2019, Mer de Glace stormed home to win the Group 1 Caulfield Cup with subsequent Melbourne Cup victor Vow And Declare finishing 2nd. In 2022, Dolce More captured the Grade 1 Asahi Hai Futurity Stakes and was awarded Best Two-Year-Old Colt in Japan. Among his other best progeny are Kiseki, who won the Grade 1 Kikuka Sho (Japanese St. Leger); Danburite, who won the Grade 2 Kyoto Kinen and the Grade 2 American Jockey Club Cup; and Lion Lion, who took the Grade 2 St. Lite Kinen and the Grade 2 Aoba Sho.
He was crowned Japanese Champion Freshman Sire in 2016.