Gente Ruthenus, natione Polonus
Gente Ruthenus, natione Polonus (Ruthenian origin, of Polish nationality) — a term describing the political and national self-identification of Polonized Ruthenians (modern Belarusians, Rusyns, Ukrainians). == History == The authorship of this phrase has historically been attributed to the Ruthenian-Polish Renaissance thinker Stanisław Orzechowski, who, in the absence of a Ruthenian state, outlined a new political identity for the Ruthenian nobility.
Source: Wikipedia — Gente Ruthenus, natione Polonus (CC BY-SA 4.0)