Question: What is the date of death of Eudokia Angelina's mother?
Sentence (from "Eudokia Angelina"): Eudokia Angelina (or Eudocia Angelina) (around 1173–died , or later) was the consort of Stefan the First-Crowned of Serbia from c. 1190 to c. 1200.
Relevant evidence: No