[header] How to research a horse's bloodline [title] Visit the all breed pedigree site. [step] Allbreedpedigree.com is a great online resource for horse owners wishing to research their horse's bloodline. In this section, you'll learn how to perform a pedigree query with this site. 
[title] Enter the horse's registered name in the top left corner. [step] Your horse's official name should be on the papers that you received when you purchased it or had it registered.