Lillian L. Slonim, 84, of Boca Raton, Fla., died May 10. She was the wife of Nathan Slonim. Born in Hartford, she was the daughter of the late Samuel and Ida Lefkin. She was predeceased by her brother Albert Lefkin of West Hartford, her sister Marion Lefkin Eisenberg and her brother-in-law Richard Eisenberg of Bloomfield. She is survived by her children, Sherry Slonim, Terri Slonim Beck, and Gary (Sharon) Slonim, all living in Florida; her granddaughter Taylor Beck; her sister Edith Lefkin Block and brother-in-law Arthur Block of Williamsville, N.Y.; and sister-in-law Joan Lefkin.