Joseph John Walker Sr.;69;of 131 Lynnwood Ave.;Belle Vernon;died Friday;Nov.25;1966 at 6:30 a.m.at his home.  He was a member of St.Sebastian Roman Catholic Church;Belle Vernon;was a Fourth Degree Knight and past Grand Knight of the Belle Vernon Knights of Columbus;Council No.3026.  Mr.Walker was a retired employee of Pittsburgh Railways Co.   He was born in Elizabeth on Sept.23;1897;the son of the late John and Consetta (Parding) Walker.  Surviving are his widow;Alice Elizabeth (Lessman) Walker;a son;Joseph Jr.at home;three daughters;Mrs.Alberta White of Lorain;Ohio;Mrs.Dolores Harhai of Monessen and Mrs.Lorraine Nelson of Belle Vernon;a sister;Mrs.Mary Volante of Latrobe;and a sister in Europe and eight grandchildren.  Friends are being received at the Francis C.Slezak Funeral Home in Charleroi.  Requiem High Mass will be sung Monday;Nov.28;1966;at 10 a.m.in St.Sebastian R.C.Church;Belle Vernon.  The Rev.Martin J.O’Toole will be the celebrant.  Interment will follow in Belle Vernon Cemetery.  Francis C.Slezak of Charleroi is the funeral director.