Question: What is the date of death of Demetrius Of Anacopia's father?
Sentence (from "Demetrius of Anacopia"): The 18th-century Georgian scholar Prince Vakhushti argues that David’s descendants flourished in Alania and produced a line of local princes of which came David Soslan, the second husband of Queen Tamar of Georgia (r. 1184–1213).
Relevant evidence: No