View Message

This Google Books link shows a page from a book called "Diccionario de Nombres de Personas" (second occurence of the search terms): It indeed gives Gerineldo as a variant of Gerinaldo, and that one derived from Germanic Gair-ald which looks like it corresponds with Geraldo:

---

http://books.google.ch/books?id=A_KHaYiixzwC&pg=PA125&lpg=PA125&dq=%22geraldo%22+%22Gerinaldo%22&source=bl&ots=-G9k6er81j&sig=NLE-CrntlGqJcq-MWrpP-RgU4Dg&hl=en&sa=X&ei=RxYdUd6YGsj2sgaV-oG4Bw&redir_esc=y#v=onepage&q=%22geraldo%22%20%22Gerinaldo%22&f=false