Reinhold

Etymology
Ultimately from ; see there for cognates and further etymology. The replacement of earlier -old by -hold is secondary and probably due to association with the. The first element, originally ragin-/regin-, may now be identified with through folk etymology.

This name was popularised by various heroic figures of medieval legend, particularly from the Dietrich von Bern cycle, such as Reinhold von Montalban (The Four Sons of Aymon), Reinhold von Meilan (The Dietrich Saga), and Saint Reinhold von Köln.

Etymology
From, ultimately from ; see there for further cognates.

Proper noun

 * 1)  borrowed from German