Joni A. Aronson, 63, of Delray Beach, Fla., formerly of Worcester and Boston, Mass., has died. She was the widow of Charles Aronson. She is survived by her mother Dorothy (Slade) Aronson of Boca Raton, Fla., her son Spenser Aronson of Delray Beach, Fla.; her brother Robert Aronson of Sarasota, Fla.; her niece Jaclyn Rubin and her husband Alex, of Natick, Mass; her nephew Michael Aronson and his wife Alexandra of Armonk, N.Y.; three grandnephews; and a grandniece.