Martin Sivic Sr.;81;of 201 Center st.;Belle Vernon;died Friday;June 15;1973;at 10 a.m.in Mercy Hospital;Pittsburgh. Born Nov.11;1891;in Yugoslavia;Mr.Sivic was a resident of Belle Vernon for the past 46 years. He had formerly lived in Monessen. He was a retired employee of the Monessen Plant of Wheeling-Pittsburgh Steel Corp. Mr.Sivic was a member of St.Sebastian R.C.Church;Belle Vernon;and SNPJ Lodge 68. Surviving are his widow;Marie Louise Sivic;one son;Martin Jr.of Belle Vernon R.D. 2;one daughter;Mrs.Frank (Louise) Brudzenski of Belle Vernon R.D.2 and two grandchildren. Friends will be received from 7 to 9 p.m.Saturday and from 2 to 4 and 7 to 9 p.m.Sunday at the Shelby D.Ferguson Funeral Home;700 Broad Ave.;Belle Vernon;where a Prayer service will be held Monday at 9:30 a.m. Mass will follow at 10 a.m.at St.Sebastian R.C.Church;Belle Vernon;with the Rev.Edward P.Gearing;pastor;officiating. Interment in Belle Vernon Cemetery. Shelby D.Ferguson Funeral Home is in charge of arrangements.