産駒一覧

馬名	父	母	生年
Magic Square	Quadrangle	Key to The Heart	1976
Stage Door Key	Stage Door Johnny	Key to The Heart	1978
Key to the Trophy	Wajima	Key to The Heart	1980
Key to the River	Irish River	Key to The Heart	1985
Key Deputy	Deputy Minister	Key to The Heart	1988
Latch Key Lady	Tejano	Key to The Heart	1992