Alex is survived by his parents: Brandon and Bobbi Jo Karsten of Owatonna, MN; his big brother, Evan Karsten, of Owatonna, MN; grandparents: Charles (Kris) Karsten, Owatonna, MN; Kim (Roger) Schema of West Concord, MN; Linda (Jerry) Seeger of Kenyon, MN; John (Jennelle) Olson of Ellendale, MN; aunts and uncles: Brooke (Matt) Spurgeon of Ellendale, MN; Christopher (Mary Jo) Olson, of Ellendale, MN; Jason (Dawn) Karsten, of Owatonna, MN; Trisha Karsten of North Mankato, MN; cousins: Rilyn Spurgeon, Lane Karsten, Kate Karsten, and Katie Olson; great-grandparents: Hazel Olson, of Ellendale, MN; Eileen Larson, of Owatonna, MN; Eugene and Berniece Cornelius of Ellendale, MN; Helen Karsten of Waseca, MN; and Team Alex.
He was preceded in death by his great-grandfathers, William Olson, Dean Larson and Willard Karsten; and by a great-aunt, Elsa Olson.