SCOTCH PLAINS – Private services were held this morning for Mrs. Edith Sinon Stepniak, wife of Thaddeus M. Stepniak of 536 Hunter Ave. Mrs. Stepniak, who died Sunday in Muhlenberg Hospital, Plainfield, was 32.

Mrs. Stepniak, a granddaughter of Louis Wiss, a founder of the Wiss Sons, Inc., jewelry firm, was born in Maplewood and moved to Scotch Plains 18 months ago. She attended Putney School, Putney, Vt., and was graduated from Bard College.

She leaves also her mother. Mrs. Gretchen Wiss Sinon of Maplewood; a brother, Frederick W. Sinon Jr. of Maplewood, and two sisters, Mrs. Paul Merrigan of Newport, N.H., and Mrs. Carl Sayer of Beaumont, Texas.

Staff Correspondent.

ELIZABETH – Mrs. Edith Sinon Stepniak of 536 Hunter Ave., Scotch Plains, great-granddaughter of Wiss Jewelers' founder, left as estate worth $160,000 when she died without leaving a will, March 22, the Surrogate's Office announced yesterday. She was 32.

Harry V. Osborne Jr. of Newark, her attorney, said much of this stock in the Newark firm. She was a saleswoman there when she died, he said.

The estate, less taxes and other deductions, will go to Thaddeus Stepniak, her husband, a load planner with United Airlines at Newark Airport. The Stepniaks had no children.

Mrs. Stepniak, who died of a liver ailment, also left her mother, Mrs. Margarethe Wiss Sinon, and a brother, Frederick W. Sinon Jr., both of Mountain View Ave., Maplewood, and two sisters, Mrs. Mary Louise Sayer of Beaumont, Tex., and Mrs. Ruth Merrigan of Newport, N.H.