William Rosnick;59;of Sweeney Plan;Belle Vernon R.D.2;died Saturday;March 1;1975;in St.Francis Hospital;Pittsburgh. He was born Nov.1;1915;son of Mrs.Eva Rusyniak;who survives;and the late Peter Rusyniak. Mr.Rosnick was employed at the Monessen Plant of Wheeling-Pittsburgh Steel Corp and belonged to St.Nicholas Orthodox Church;Donora;and the Russian Club of Belle Vernon. Surviving;in addition to his mother;of Belle Vernon;are his widow;Anna Rosnick;one son;William A.Rosnick of Somerset;one daughter;Beverly Ann;at home;two brothers;Walter Rusyniak of Uniontown and John Rusyniak of Detroit;Mich.;and three sisters;Mrs.John (Julia) Yuschak of Belle Vernon;Mrs.George (Helen) Meluch of Lafayette;Ind.;and Mrs.John (Dorothy) Ferencz of Belle Vernon. Friends will be received at the James C.Stump Funeral Home;Rostraver Twp.;from 2 to 4 and 7 to 9 p.m. Sunday and Monday. Prayers will be recited at the funeral home on Tuesday at 9:30 a.m.;followed by requiem liturgy at 10 a.m. in St.Nicholas Orthodox Church;Donora;with the Very Rev.Igor Soroka;pastor;officiating. Interment will be in Belle Vernon Cemetery. Parastas service will be held at the funeral home on Sunday and Monday at 8 p.m. James C.Stump is funeral director in charge.