 Reginar I Longneck

Reginar I Longneck ( 850 – 915), or "Ragenerus Longicollus", was a leading nobleman in the kingdom of Lotharingia, variously described in contemporary sources with the titles of count, margrave, missus dominicus and duke.He stands at the head of a Lotharingian dynasty known to modern scholarship as the Reginarids, Reginars, Reiniers, or Regniers, because of their frequent use of the name "Reginar".