Arthur had already selected a name and armory in consultation with another herald, Francesco Gaetano Grèco d’Edessa, so preparing his submission forms was a simple matter of illustration and onomastic research.
“Arthur” is an English masculine given name. It is attested to the sixteenth century, appearing in “The Dictionary of Medieval Names from European Sources” (S.L. Uckelman, ed. 2018).
English given names may be borrowed into sixteenth-century German names under the terms of the February 2015 cover letter.
“von Eschenbach” is a Germanic locative byname indicating an origin in a town of Eschenbach. It is attested to the sixteenth century, appearing in “Gemeiner loblicher Eydgnoschafft Stetten, Landen vnd Voelckeren Chronick wirdiger thaaten beschreybung” (by Johannes Stumpf, 1548).