- Born September 3, 1893 in Hooper, Weber County, Utah.
- Parents were HYRUM BELNAP and ANNA CONSTANTIA BLUTH.
- Married MABEL HARRIS on September 20, 1916 in Salt Lake City, Salt Lake County, Utah. Mabel was born Mrch 20, 1894 in Ann Arbor, Washtenaw County, Michigan; and died April 3, 1972 in Ogden, Weber County, Utah. Her parents were NATHAN JOHN HARRIS and EMMA ELVIRA OAKASON.
- Died February 25, 1974 in Ogden, Weber County, Utah.
- Both Arias and Mabel are buried in Ogden, Weber County, Utah.
CHILDREN
- RALPH ARIAS BELNAP, born July 29, 1917 in Ogden, Weber County, Utah; died November 15, 1996. Married HELENA MARIE DANIELSON on December 10, 1945 in Salt Lake City, Salt Lake County, Utah.
- LOIS RUTH BELNAP, born in Ogden, Weber County, Utah. Married ELDRED HILMAR ERICKSON in Salt Lake City, Salt Lake County, Utah.
- MILDRED BELNAP, born in Ogden, Weber county, Utah. Married EDWIN ESCHLER EVANS in Salt Lake City, Salt Lake County, Utah.
- DONALD EUGENE BELNAP, born in Ogden, Weber County, Utah. Married SHARON ANDERSON in Salt Lake City, Salt Lake County, Utah.
- GORDON LESLIE BELNAP, born in Ogden, Weber County, Utah. Married GLADYS JOY McARTHUR in Logan, Cache County, Utah.