Sylvia Ann Cornelius, 28, Green Bay, passed away on Thursday, October 3, 2019. The daughter of Robert Biddle and Cheryl Cornelius was born on March 30, 1991. As a child, she loved animals, listening to music and playing with dolls. She was full of personality. On February 9, 2010, she married Rogelio Aviles. Together they had four children, Kylee, Elaine, Stephanie and Chloe. She was a dedicated mother who loved playing and singing with her girls. Sylvia is survived by her husband, Rogelio; their children, Kylee, Elaine, Stephanie and Chloe; her mother, Cheryl; and her brother, Daryl Sr. She is further survived by her brother-in-law, Gabriel (Ashley); nieces and nephews, Gabriel Jr., Luiz, Steven, Victoria, Anabella, Kelis, Daryl Jr., and Travis. She is further survived by her Aunts Pat Moore and Barbara Cornelius; Uncles Kenneth Cornelius Jr. and Alan Cornelius; foster parents, Tim Torrez and Kim Diaz; her paternal grandmother Joan Biddle as well as many cousins and other members of her extended family. She was preceded in death by her father, Robert; her brother, Travis; maternal grandparents, Kenneth and Elaine (Webster) Cornelius; paternal grandfather Delmare Biddle. Firekeepers and food donations are requested at 1600 South Pine Tree Road beginning Monday, October 7, 2019 at 10:00 a.m. through the time of burial on Wednesday. Family and friends may visit at Ryan Funeral Home, 305 N. Tenth Street, De Pere, beginning at 4:00 p.m. on Tuesday, October 8, 2019. The Oneida Hymn Singers will begin at 7:00, followed by a 7:30 prayer to close the evening. Visitation will continue at The Church of Jesus Christ of Latter-day Saints, N6135 Seminary Road, Oneida, beginning at 9:30 a.m. on Wednesday, October 9, 2019. The Oneida Hymn Singers will begin at 10:30 a.m. with a funeral service at 11:00 a.m. Burial will follow at the Oneida Sacred Burial Grounds. In lieu of flowers, donations will be used to help with needs of Sylvia's children.