Here should be info to find plenty of relatives:
John Perez b. c 1926 in Iowa, living in Mason City, Cerro Gordo County, Iowa in 1940.
Parents are Elicio b. c. 1903 and Josephine b. c. 1910, natives of Mexico. Elicio works in the beet fields.
Siblings as of 1940 are:
Isabelle, b. c 1931-32
Elicio, Jr. b. c 1934-35
Rita, b. c. 1936-37
Raymond, b. c 1937-38
Phillip, b. c Jan 1940
SSDI tells us Eliceo Joseph Perez, Jr., is b 3 Jul 1934, d. 29 Jun 2004, in Albert Lea, Freeborn, Minnesota
From Eliceo Jr's obit:
Eliceo is survived by his daughter, Teresa More and family of Waldorf; sisters: Isabel and her husband Albert Villarreal of Albert Lea, Rita and her husband Stanley Johnson of Albert Lea, and Virginia Egeness of Denver, Colo.; brothers: Paul Hernandez and wife Lola of Kansas City, Mo., John Perez of Yakima, Wash., Raymond Perez and his wife Connie of Austin, Texas, Phillip Perez and his wife Judy of Coon Rapids, Minn., William (Bill) Perez and his wife Suzanne of Raymond, Minn., and Ruben Perez and his wife Sandy of Albert Lea; an aunt, Jenny Mata of Chicago, Ill.; and many grandchildren, nieces and nephews.
Eliceo was preceded in death by his parents; Eliceo and Josephine Perez; daughter, Jody Perez; sister, Lupe Ramos; and brothers: Richard and Jesse Perez.