Regnerus

Regnerus is a Latinized form of an Old Germanic name, likely a variant of Raginheri or Raganhar. The elements are 'ragin' meaning 'counsel' or 'judgment' and 'hari' meaning 'army' or 'warrior'. This type of compound name was very common among Germanic tribes, reflecting values of leadership, wisdom, and martial prowess. While not widely used today, its roots are deep within the historical naming traditions of Northern Europe.

The name's Latinization into 'Regnerus' would have occurred during periods of Roman influence or later, as Germanic names were recorded in Latin documents. This form is particularly associated with historical figures and records from the Low Countries and parts of Germany, where such Latinized forms were standard for official use. Its rarity in modern times makes it a distinctive choice with a strong historical resonance.