Here's why:
* "Juan Pablo de la Rosa" is a fairly common Spanish name, but there is no known historical figure with this name who was significant enough to be remembered.
* "raza las tres patas" translates roughly to "breed the three legs" in Spanish. This phrase is nonsensical and doesn't make sense in a historical context.
* "felipe iii" refers to King Philip III of Spain, who ruled from 1598 to 1621. While his reign was significant, there is no known connection to this name combination.
It's possible that the name you provided is a made-up phrase or a fictional character.