 His children Emma, Albert, Clara and Eugen were all born there.He never restricted his work as an investigator and it was in Valdivia that he wrote his first treatise on ornithology, passion he shared with the German scientist and friend of his, Dr. Rudolf Phillipi.Later, he moved to Arequipa, Peru with a contract for the "Harmsen" Commercial House and once concluded, took his family to live in the city of Tacna, where he took part in the foundation of the “German School”.