ADELA.  Latinized from Old German edel, meaning "of noble descent or lineage." (The Standard Dictionary of Facts, Ruoff, 1919).  Usage: America, Czech Republic (Adéla), Denmark, England, France, Germany, Mexico, Romania, Slovakia (Adéla), Spain.

Adela.  No! 'tis a secret.  Vergniaud told it me.
Danton.  What is your name?
Adela.  Adela de Barras.
(Adela, Shield, 1870)