From Horse

What many people don't know is that Trakehners are Warmbloods. Even more, the Trakehners are the keystone, are at the foundation of modern warmblood breeds. Important is the definition of "modern day warmblood", meaning a lighter, more typey horse created out of the heavier older bloodstock, more suited for modern day sporting events than farming. As such, the Trakehner was used as an improver for most of the warmblood breeds.