Save Gender Feminine Usage Medieval German (Latinized) Other Forms FormsRaineldis, Rayneldis, Reyneldis Meaning & History Variant form of Reinildis, which is the latinized form of Reinhild. This particular variant of the name was probably influenced by Renelde, which is the French form of Reinhild.This name was borne by a Frankish saint from the 7th century AD.