Helen M. Biller, 91, of Stewartstown, formerly of Stewartsville, NJ, entered her heavenly rest at home on Friday, January 6, 2017. Born September 22, 1925 in Phillipsburg, NJ to Lewis and Mary Nemeth, she was the wife of Theodore L. Biller, Jr., with whom she had celebrated 68 years of marriage prior to his passing in 2014. Helen was a graduate of Phillipsburg High School in New Jersey. She worked in the office for Bernstein and Sons Garment Makers after high school. She was a member of the Stewartsville Presbyterian Church all of her married life and devoted her life to her family. Helen taught Sunday school, volunteered for church activities and was a Den mother for her sons' Cub Scout troops. She enjoyed sewing, reading, her church, playing the piano and growing houseplants. Helen is survived by her son, Rev. James L. Biller and his wife Susan of New Park, PA; grandson, Aaron J. Biller and his wife Megan; and great-grandchildren, Lydia and Isaac all of Charlotte, North Carolina. Helen is preceded in death by her husband, Theodore L. Biller, Jr.; a son, Theodore L. Biller, III; and her brother, Zolten Nemeth. A private service will be held at the convenience of the family in Stewartsville, NJ. J.J. Hartenstein Mortuary, Inc., Stewartstown, is assisting the family with arrangements. In lieu of flowers, memorial donations may be made to Centre Presbyterian Church, 83 New Park Rd., New Park, PA 17352 or Stewartsville Presbyterian Church, 550 North Main St., Stewartsville, NJ 08886.