Reinold
Benedictine monk and saint
Feast: 7 January (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
Reinold (also known as Reinoldus, Reinhold of Cologne or in German Reinhold von Köln) was a Benedictine monk who lived in the 10th century. Supposedly a direct descendant of Charlemagne, and the fourth son mentioned in the romantic poem Duke Aymon, by William Caxton. The poem is Caxton's translation of the long French Chanson de Geste, Les Quatre Fils Aymon (The Four Sons of Aymon), where Renaud de Montauban dies in an almost identical manner.
Summary from Wikipedia (CC BY-SA 4.0), until this page is written up in full.
The miracles
Limited information available on this saint.
Why that counted as sanctity
Limited information available on this saint.