xx Thoroughbred
ox Arabian
AA French Anglo Arab
OLD Oldenburg
HAN Hanoverian
HOL Holsteiner
KWPN Dutch
SWE Swedish
SF Selle Francais
AN Anlgo Norman
TRAK Trakehner
WEST Westphalian
RHLD Rhineland
DAN Danish
BAY Bayern
HES Hessen
RID Registered Irish Draught
ISH Irish Sport Horse

HMain Stud Book Mare / St. Pr.
SPS State Premium Mare
EH Elite Horse

C Chestnut
Bl Black
B Bay
DkBr Dark Brown
LC Liver Chestnut
G Gray
LtB Light Bay

Registry prefix numbers"

21 = Holsteiner

27 = Mecklenburg

31 = Hanoverian

33 = Oldenburg

40 = Dutch

41 = Westphalian

43 = Rheinlander