Question: What is the date of death of Barbara Zeisl Schoenberg's father?
Sentence (from "Barbara Zeisl Schoenberg"): She is married to Ronald R. Schoenberg (the son of Arnold Schoenberg), and is the mother of attorney E. Randol Schoenberg, UCLA geneticist Marlena Fejzo, UCLA statistics professor Rick Paik Schoenberg, and Los Angeles County Public Defender Melanie Schoenberg Rescorla.
Relevant evidence: No