I don't have much on this Avery, but please see below.This information comes from another researcher in my family.Please let me know if this is your Avery and I may be able to send more information.
Avery G Van Dusen (John Nelson, Avery P., Platt Jacob Van Deusen, Jacob, Abraham Van Duersen, Jacob, Abraham Van Deursen, Matheu (Tuewis) Abrahamsen Van Deusen, Abraham Pietersen2 Van Deursen, Pieter Janszen1) was born Abt. 1876 in Hinton or Sioux City, IA, and died Aft. 1915.He married Unknown.
More About Avery G. Van Dusen: Residence: 1915, Hinton, IA
Child of Avery Van Dusen and Unknown is: 136 i. Infant Daughter12 Van Dusen, born 1915 in Hinton, IA; died 1915 in Perry Liberty Township Cemetery, Hinton, IA.
More About Infant Daughter Van Dusen: Source: Newspaper Obituary