Question: What is the date of birth of Jillian Hervey's mother?
Sentence (from "William A. Feilds"): According to researchers on the American documentary series" Who Do You Think You Are?"( 2011), he is the paternal great- great- grandfather of actress, singer, and Miss America 1984, Vanessa Williams and of actor Chris Williams and the maternal great- great- great- grandfather of Jillian Hervey.
Relevant evidence: No