Services for Nelida Martinez, 15, of Main Street, Shoemakersville, will be Friday at noon in St. Mark's Lutheran Church, Reading.
Burial will be in Alsace Cemetery, Hyde Park. Whelan Schwartz Funeral Home Inc. is in charge of arrangements.
Martinez and her half sister, Olivia Montano, were fatally shot June 29 in Montano's residence on Liggett Avenue.
Born in Reading, she was a daughter of Juan R. Martinez, Cajuas, Puerto Rico, and Estela Medina, with whom she last resided.
Martinez was a sophomore at Hamburg High School.
She was a member of Cristo Redentor Lutheran Church, which meets in St. Mark's.
Martinez is also survived by a sister, Nancy Martinez Medina, and a half sister, Annabel Montano, both at home, and a stepbrother, Juan Martinez Jr., Reading.
Other survivors include her maternal grandmother, Elvira Perez, Reading; and her paternal grandfather, Cristoval Martinez, in Puerto Rico.