Billy and his mom - Billy's mom passed away today. Rest in Peace, Mrs. Joel, you gave the world one of the greatest gifts it ever received. Billy Joel's mother, Rosalind Nyman, was born in England to Philip and Rebecca Nyman. Both of Joel's parents were Jewish. They divorced in 1960, and his father moved to Vienna, Austria. Billy has a sister, Judith Joel, and a half-brother, Alexander Joel.