What is "roybal"

Roybal, also spelled Roibal and Ruibal, is a Galician surname, later introduced into the Americas . It has its origin in the hamlet of Ruibal, in the municipality of Moraña — Galicia (Spain)— where a 3% of the local inhabitant are surnamed Ruibal.

In Galicia this surname is in use at least since the 14th century.