Charles Roy Garvin (born: Wisconsin) and Adora May (Clintock)

Looking for information on my family. This is what I know at this point. Looking for confirmation and more history on this family blood line.

Charles Roy Garvin (born: Wisconsin) and Adora May (Clintock) had Orville Leroy Garvin on July 21, 1896 in Castana, Iowa (Monona County). Also: Delbert, Vincent, George Lawrence, Mamie (Perkins), Neva (Brewer), Elva (Ayers)
Orville Garvin died 12-6-1971 in Ventura, CA/ buried Ivy Lawn Memorial Park.

Orville Leroy Garvin married Venita Agnes Wolfe (born: Casper, WY 4-12-1920) 11-18-1937 in MidWest City (Natrona County) Wyoming.
Children of this marriage: Beverly Jean 6-18-1941, Charles Raymond 5-15-1943, James Edward, Joseph 12-26-1947 (Gooding County--St Valentines Hospital), Elva May 4-13-45, Ronald Dean 7-13-47 (?) Rita Ann 8-31-?? Janet Lee 9-23-52

Please reply if you can help in any way.
Thank you
ladie arkie