Mrs.Mary Siple Eggers;90;of 4851 North 29th St.;Arlington;Va.;died Sunday;June 8;1958; in the Georgetown Hospital;Washington;D.C.  Born in Leechburg;Jan.13;1868;she was the daughter of Ben F.and Elizabeth Highfield Siple;both of whom were life-long residents of Center Valley;Leechburg.  Preceded in death four years ago by a son;Benjamin;who resided in Jackson;Ohio;Mrs.Eggers is survived by a son;G.Robert Eggers;of Arlington;Va.;and a daughter;Mrs.Hugh G.;Taylor;of Leechburg;a sister;Mrs.Emma Eiler;of Pittsburgh;one grandchild and two great-grandchildren.  Friends will be received at the Ferguson Funeral Home beginning Wednesday at 2 p.m.and services will be held there Thursday;June 12;at 2 p.m.;in charge of Rev.Abner P.Richard.  Interment will follow in Belle Vernon Cemetery.  Shelby D.Ferguson is the funeral director.