血統表（ハツピーオー）

ハツピーオーHappy O1987 JPN [産駒]	コントライトContrite1968 USA [産駒]	Never Say Die1951 USA [産駒]	Nasrullah1940 GB [産駒]	Nearco1935 ITY	Pharos1920 GB

					Nogara1928 ITY

				Mumtaz Begum1932 IRE	Blenheim II1927 GB

					Mumtaz Mahal1921 GB

			Singing Grass1944 USA [産駒]	War Admiral1934 USA	Man o' War1917 USA

					Brushup1929 USA

				Boreale1938 FR	Vatout1926 FR

					Galaday1927 FR

		Penitence1961 GB [産駒]	Petition1944 GB [産駒]	Fair Trial1932 GB	Fairway1925 GB

					Lady Juror1919 GB

				Art Paper1933 GB	Artist's Proof1926 GB

					Quire1918 GB

			Bootless1951 GB [産駒]	The Cobbler1945 GB	Windsor Slipper1939 GB

					Overture1937 GB

				Careless Nora1945 IRE	Panorama1936 GB

					Careless1937 GB

	スワローニシキSwallow Nishiki1980 JPN [産駒]	マイスワローMy Swallow1968 GB [産駒]	Le Levanstell1957 IRE [産駒]	Le Lavandou1944 FR	Djebel1937 FR

					Lavande1936 FR

				Stella's Sister1950 GB	Ballyogan1939 GB

					My Aid1933 IRE

			Darrigle1960 GB [産駒]	Vilmoray1950 GB	Vilmorin1943 GB

					Iverley Way1939 GB

				Dollar Help1952 GB	Falls of Clyde1944 GB

					Dollar Crisis1946 GB

		ノーザンリーフNorthern Leaf1971 GB [産駒]	Bold Lad1964 IRE [産駒]	Bold Ruler1954 USA	Nasrullah1940 GB

					Miss Disco1944 USA

				Barn Pride1957 GB	Democratic1952 IRE

					Fair Alycia1952 GB

			Miss Match1966 GB [産駒]	Match1958 FR	Tantieme1947 FR

					Relance1952 FR

				Aunt Clara1953 IRE	Arctic Prince1948 GB

					Sister Clara1938 GB