| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| KEYSTONE FIRST LADY (USA) - HSH | Mare | BAY/BROWN | 167437 | 31/08/2003 | Stud Book | Not Eligible |
| KEYSTONE JENELLE (USA) - HSH | Mare | BROWN | 185301 | 09/05/2007 | Stud Book | Not Eligible |
| KEYSTONE JUSTINE (USA) | Mare | GREY | C1-174862 | 02/06/2005 | First Cross | Not Eligible |
| KEYSTONE LUNA (USA) - HSH | Mare | CHESTNUT | 196816 | 18/04/2011 | Stud Book | Not Eligible |
| KEYSTONE MADALYN (USA) | Mare | BAY | C1-190176 | 16/07/2007 | First Cross | Eligible |
| KEYSTONE MIRANDA (USA) | Mare | CHESTNUT | C1-170141 | 15/04/2004 | First Cross | Not Eligible |
| KEYSTONE ORION (USA) - HSH | Stallion | BAY | 196817 | 07/04/2011 | Stud Book | Not Eligible |
| KEYSTONE PLAYMAKER (USA) - HSH | Mare | CHESTNUT | 229779 | 26/06/2012 | Stud Book | Eligible |
| KEYSTONE PLAYMATE (USA) - HSH | Mare | BAY/BROWN | 175227 | 19/05/2006 | Stud Book | Not Eligible |
| KEYSTONE RADIANT STAR (USA) - HSH | Mare | BAY | 228742 | 05/10/2012 | Stud Book | Not Eligible |
| KEYSTONE RAZZMATAZZ (USA) - HSH | Stallion | BROWN | 248000 | 22/04/2018 | Stud Book | Eligible |
| KEYSTONE SILHOUETTE (USA) | Mare | BROWN/BLACK | C1-175226 | 04/08/2005 | First Cross | Not Eligible |
| KEYSTONE SPECIALIST (USA) | Gelding | CHESTNUT | C1-243832 | 28/05/2006 | First Cross | Deceased |
| KEYSTONE STARLIGHT (USA) - HSH | Mare | BAY | 193092 | 17/04/2010 | Stud Book | Eligible |
| KEYSTONE SWEETHEART (USA) - HSH | Mare | BROWN/BLACK | 174859 | 18/04/2005 | Stud Book | Deceased |
| KEYSTONE TOP GUN (USA) - HSH | Gelding | BAY/BROWN | 174860 | 24/04/2005 | Stud Book | Not Eligible |
| KEYSTONE ZENITH (USA) - HSH | Mare | BROWN | C1-187667 | 04/11/2006 | First Cross | Not Eligible |
| KEYTA BAILEYS - HSH | Gelding | BUCKSKIN | 238992 | 16/10/2013 | Stud Book | Not Eligible |
| KEYTA CHELSEA | Mare | BUCKSKIN | C2-235381 | 25/12/1999 | Second Cross | Not Eligible |
| KEYTA JACK DANIELS - HSH | Gelding | BAY | 242011 | 10/09/2015 | Stud Book | Not Eligible |
| KEYTA KAHLUA - HSH | Mare | BUCKSKIN | 234840 | 29/09/2012 | Stud Book | Not Eligible |
| KEYTAH DOLLYBIRD | Mare | CHESTNUT | 17231 | 10/05/1972 | Stud Book | Deceased |
| KEYWOOD NELL | Mare | GREY | 55406 | Stud Book | Not Eligible | |
| KEYWOOD SAMPSON | Stallion | BLACK | F28991 | 04/10/1981 | Foal Recorded | Not Eligible |
| KEZIA | Mare | BROWN | F29608 | 12/09/1981 | Foal Recorded | Not Eligible |
| KEZZY | Mare | BAY | 60037 | 17/10/1979 | Stud Book | Not Eligible |
| KG FELICITY | Mare | BROWN | 112703 | 16/11/1990 | Stud Book | Not Eligible |
| KG LADY | Mare | CHESTNUT | 73448 | 01/01/1980 | Stud Book | Not Eligible |
| KHADESIA | Mare | BAY | 61848 | 24/10/1978 | Stud Book | Not Eligible |
| KHAELLA | Mare | BAY | 76626 | 01/09/1983 | Stud Book | Not Eligible |
| KHAIYAL MODESTY | Gelding | GREY | 52570 | 09/10/1974 | Stud Book | Not Eligible |
| KHALE BLUE | Stallion | GREY | 54343 | 29/09/1975 | Stud Book | Not Eligible |
| KHAMALY COMETIC | Mare | CHESTNUT | C2-231966 | 19/01/2012 | Second Cross | Not Eligible |
| KHAMALY PLEDGE | Mare | CHESTNUT | C2-231967 | 14/12/2010 | Second Cross | Not Eligible |
| KHAMLANIE | Gelding | CHESTNUT | 61751 | 02/11/1975 | Stud Book | Not Eligible |
| KHAMSIN | Gelding | CHESTNUT | 28313 | 01/08/1970 | Stud Book | Deceased |
| KHAN LUCK | Stallion | GREY | F5950 | 03/12/1976 | Foal Recorded | Deceased |
| KHANA | Mare | BLACK | 101630 | 12/11/1982 | Stud Book | Deceased |
| KHANCOBAN CAPTION | Stallion | GREY | 198931 | 26/11/2011 | Stud Book | Not Eligible |
| KHANCOBAN CHERIE | Mare | GREY | 35752 | 03/11/1973 | Stud Book | Not Eligible |
| KHANCOBAN MELISSA | Mare | BAY | 57592 | 30/09/1976 | Stud Book | Deceased |
| KHANCOBAN MUSIC BAR | Mare | CHESTNUT | F118567 | 09/09/1991 | Foal Recorded | Not Eligible |
| KHANCOBAN SCAMP | Gelding | CHESTNUT | 111628 | 22/10/1989 | Stud Book | Deceased |
| KHANKOBEN | Stallion | GREY | 30129 | 31/10/1971 | Stud Book | Deceased |
| KHANS MAGIC | Gelding | GREY | 135003 | 28/09/1996 | Stud Book | Not Eligible |
| KHANS SHEBA | Mare | BAY | 27334 | Stud Book | Not Eligible | |
| KHARAMA | Mare | CHESTNUT | 34522 | 31/12/1974 | Stud Book | Not Eligible |
| KHARDINE | Mare | CHESTNUT | F4659 | 01/10/1975 | Foal Recorded | Not Eligible |
| KHARETAS | Mare | BROWN | 51046 | 14/12/1971 | Stud Book | Deceased |
| KHARINE RASIM | Stallion | BAY | 73919 | 05/11/1979 | Stud Book | Not Eligible |
| KHARJAMAN | Gelding | CHESTNUT | 64558 | 16/12/1979 | Stud Book | Not Eligible |
| KHATAAN | Gelding | BAY | 69681 | 01/10/1974 | Stud Book | Not Eligible |
| KHATAAN BENJAMIN | Gelding | CHESTNUT | 71568 | 28/10/1979 | Stud Book | Not Eligible |
| KHATAAN TA NEHA | Gelding | BROWN | 70263 | 07/08/1972 | Stud Book | Not Eligible |
| KHATABUNDAH CAPITANO | Gelding | PALOMINO | 60691 | 22/12/1975 | Stud Book | Not Eligible |
| KHATABUNDAH MEG | Mare | PALOMINO | 19773 | 01/08/1960 | Stud Book | Deceased |
| KHATRU | Mare | BLACK | 30707 | Stud Book | Not Eligible | |
| KHAWAHINI | Mare | CHESTNUT | 38972 | Stud Book | Not Eligible | |
| KHAYYAM | Gelding | BAY | 42765 | 31/08/1970 | Stud Book | Deceased |
| KHAZALY | Stallion | GREY | F24863 | 21/01/1980 | Foal Recorded | Not Eligible |
| KHAZOOM | Gelding | CHESTNUT | 30427 | 01/01/1973 | Stud Book | Not Eligible |
| KHE SAN RAFIQ | Stallion | BLACK/GREY | F30703 | 09/11/1981 | Foal Recorded | Not Eligible |
| KHEMLANI | Gelding | BAY | 47922 | 09/10/1975 | Stud Book | Not Eligible |
| KHEMLANIS AFFAIR | Gelding | CHESTNUT | 71240 | 01/11/1976 | Stud Book | Deceased |
| KHERWALLI GINA | Mare | BAY | 55353 | 14/08/1969 | Stud Book | Deceased |
| KHOTINA | Mare | CHESTNUT | 36917 | 30/08/1974 | Stud Book | Not Eligible |
| KHUBSURATH GOLD | Mare | PALOMINO | 60339 | 27/10/1978 | Stud Book | Not Eligible |
| KHYBER GIRL | Mare | BLACK | 46082 | 10/10/1972 | Stud Book | Not Eligible |
| KHYBER KHAN | Gelding | BROWN | 41709 | 01/11/1970 | Stud Book | Deceased |
| KHYBER STUD BECK - HSH | Mare | BAY | 142143 | 07/10/1998 | Stud Book | Deceased |
| KHYBER STUD CACTUS JACK - HSH | Gelding | BAY/BROWN | 166776 | 07/11/2002 | Stud Book | Deceased |
| KHYBER STUD DX - HSH | Gelding | BROWN/BLACK | 176678 | 08/09/2004 | Stud Book | Not Eligible |
| KHYBER STUD FINE COTTON - HSH | Gelding | BAY/BROWN | 166775 | 09/09/2002 | Stud Book | Not Eligible |
| KHYBER STUD GEM - HSH | Mare | BAY/BROWN | 146987 | 15/11/1999 | Stud Book | Not Eligible |
| KHYBER STUD KHYBER - HSH | Gelding | BAY/BROWN | 240136 | 01/12/2013 | Stud Book | Not Eligible |
| KHYBER STUD KIM - HSH | Mare | BAY/BROWN | 160772 | 23/11/2001 | Stud Book | Not Eligible |
| KHYBER STUD MERLIN - HSH | Gelding | BAY/BROWN | 171842 | 29/08/2003 | Stud Book | Not Eligible |
| KHYBER STUD MEXICO - HSH | Gelding | BROWN/BLACK | 184304 | 08/10/2006 | Stud Book | Not Eligible |
| KHYBER STUD MISTIME - HSH | Mare | BROWN | 156767 | 08/11/2000 | Stud Book | Not Eligible |
| KHYBER STUD PAPER PLATE | Mare | CHESTNUT | BP-78426 | 31/10/1990 | Breeding Purposes Only - Stud Book | Deceased |
| KHYBER STUD RIPLE - HSH | Mare | BROWN | 160771 | 19/09/2001 | Stud Book | Deceased |
| KHYBER STUD ROBO - HSH | Stallion | BAY | 142144 | 03/12/1998 | Stud Book | Eligible |
| KHYBER STUD ROSETTA | Mare | CHESTNUT | 152415 | 11/10/2000 | Stud Book | Not Eligible |
| KHYBER STUD RUFFLE - HSH | Mare | BROWN | 166774 | 10/09/2002 | Stud Book | Deceased |
| KHYBER STUD SPARKY - HSH | Gelding | BROWN | 186286 | 06/11/2007 | Stud Book | Not Eligible |
| KHYBER STUD SUPRIZE - HSH | Mare | BAY | 191184 | 13/11/2009 | Stud Book | Eligible |
| KHYBER STUD WALLY | Gelding | BROWN | 191185 | 06/11/2009 | Stud Book | Deceased |
| KI DA BELINDA | Mare | BAY | 70424 | 15/08/1976 | Stud Book | Not Eligible |
| KI DA BELLA | Mare | CHESTNUT | 121664 | 12/10/1991 | Stud Book | Not Eligible |
| KI DA LAABEL | Gelding | BROWN | 106229 | 27/02/1987 | Stud Book | Not Eligible |
| KI DA LOUISE | Mare | CHESTNUT | 72917 | 01/08/1976 | Stud Book | Not Eligible |
| KI DA SABRINA | Mare | CHESTNUT | 74418 | 20/05/1981 | Stud Book | Not Eligible |
| KI HI BETTE | Mare | CHESTNUT | 1994 | 01/01/1967 | Stud Book | Deceased |
| KI HI BLACK JACK | Gelding | BLACK | 42374 | 24/09/1976 | Stud Book | Not Eligible |
| KI HI BONNY BRUCE | Mare | BROWN | 42372 | 04/10/1975 | Stud Book | Not Eligible |
| KI HI ECHO | Gelding | BAY | 51148 | Stud Book | Not Eligible | |
| KI HI JEWEL - HSH | Mare | CHESTNUT | 1995 | 01/08/1965 | Stud Book | Deceased |
| KI HI JUANITA | Mare | CHESTNUT | 27969 | 01/10/1972 | Stud Book | Not Eligible |
| KI HI MARIEANNE II - HSH | Mare | CHESTNUT | 27968 | 01/08/1969 | Stud Book | Deceased |
| KI HI REBECCA | Mare | BROWN | 42373 | 09/08/1969 | Stud Book | Deceased |