Who is the painter? Wolf von Bibra (1862-1922). He based the painting on an etching by A Closs (1840-1894) or possibly his son Gustav Adolf Carl Closs (1864 - 1938)], which in turn was based on a painting by Louis-Félix Guesnet (1843–1907).
https://commons.wikimedia.org/wiki/File:BattleofRoncevauxWvBibra.jpg
Notes:
- Turoldus, possible author of the Song of Roland
- Roland, real Frankish leader under Charlemagne
- Bishop Turpin of Reims, first bishop chess piece
- General absolution, given in an emergency
- Silver, payment to Judas to betray Jesus