What is "ranulf"

Ranulf is masculine given name in the English language. It is derived from the Old Norse name Reginúlfr. This Old Norse personal name is composed of two elements: the first, regin, means "advice", "decision" (and also "the gods"); the second element, úlfr, means " wolf". Reginúlfr was introduced into Scotland and northern England, by Scandinavian settlers, in the Early Middle Ages.