Origin of your last name

I love researching my familial history. I did find this website regarding a family's coat of arms and history of that last name and came up with these searches on mine:

robles
Origin: Spanish Spelling variations of this family name include: Robles, de Robles, Roble, Robleda, Robledo, de Robledo, Robledano, Robledillo, de Robledillo, Robreño, Robreno, Robreda, de Robreda, Robredo, de Robredo, Robredillo and many more.
First found in Castile, in north central Spain.

Some of the first settlers of this family name or some of its variants were: Among the early explorers of the New World was Jorge Robledo, who voyaged to Colombia in the 1530s, and was one of the first Europeans to see the Cauca River. He was named Governor of these new territories by King Charles V. Other early migrants to the New World bearing this surname or a variant spelling of the name included Baltasar Robledo Alvarez, who sailed to America in 1512.

robles
Origin: SpanishCoat of Arms: A gold shield with a lion and a tree, surrounded by a silver border charged with ermine spots.Crest: Description not availableMotto Translated: From hard work, come great rewards.

Chamorro
Origin: SpanishCoat of Arms: A gold shield with a green tree and two greyhounds bordered in red with fleur-de-lis.

Chamorro
Origin: Spanish Spelling variations of this family name include: Chamorro, Chamoro, Chamorris, Chamoris and others.

First found in Castile, prominent among the Christian kingdoms of medieval Spain.
Some of the first settlers of this family name or some of its variants were: Migrants to the New World bearing this surname include Alonso Chamorro, who sailed to America in 1511; Gregorio Chamorro, to America in 1512; Miguel Chamorro, to Peru in 1557.

http://search.swyrich.com/surnamesearch.asp?Licensee=8507&sId=