Mark Curtis Nicolaus;thirteen-day-old son of Mr.and Mrs.LeRoy Nicolaus of 112 Homewood Ave.;Belle Vernon;died in the Children’s Hospital;Pittsburgh;Tuesday;Jan.31;1961;at 7:55 a.m. The baby was born in Pittsburgh;Jan.18;1961;the son of LeRoy and Sally Konkol Nicolaus. In addition to his parents;he is survived by his maternal grandparents;Sylvester Konkol of Ohio;and Mrs.George Brazack;Belle Vernon;and his paternal grandparents;Mrs.Joseph Mihalic;Belle Vernon;and August Nicolaus;Monessen. Friends will be received at the Ferguson Funeral Home;Belle Vernon;tonight. Services will be held Thursday;Feb.2;1916;at 10 a.m.in the St.Sebastian R.C.Church.Belle Vernon;in charge of the Rev.Andrew King. Interment;Belle Vernon Cemetery. Shelby D.Ferguson is the funeral director.