Question: What is the date of death of Adriana Of Nassau-Dillenburg's mother?
Sentence (from "Adriana of Nassau-Dillenburg"): Adriana of Nassau-Dillenburg (7 February 1449 – 15 January 1477) was a daughter of Count John IV of Nassau-Dillenburg and his wife Maria of Loon-Heinsberg.
Relevant evidence: Yes