IF this is him, then I'm sorry to say he has passed away:

Robert Eugene Oyler
Born: 1 Oct 1920
Died: 30 Oct 1977
Windber, Pennsylvania, USA

Father: Roy OYLER
Mother: Grace CRUMB

Marriage: Mary Anna DILL b: 25 Jan 1928 in Maple Ridge, Pa.
Married: 2 Aug. 1947 in Windber, Pa.

Children
Roberta Eugenia OYLER b: May 1, 1949 in Windber, Pa
Mary Jane Elizabeth OYLER b: 21 March 1951 in Windber, Pa
Stephanie Angela OYLER b: 7 March 1952 in Windber, Pa
Janice Maureen OYLER b: 1 Jan. 1954 in Windber, Pa

There's also another man, but he's also passed away:

Name: Robert E Oyler
Birth Date: Oct 1919
Street address: 10544 W Campana Dr
City: Sun City
County: Maricopa
State: Arizona
Zip Code: 85351
Phone Number: 623-974-5903

Social Security Death Index
about Robert E. Oyler
Name: Robert E. Oyler
SSN: 514-10-6860
Last Residence: 85351 Sun City, Maricopa, Arizona, United States of America
Born: 26 Oct 1919
Died: 23 Jan 2004
State (Year) SSN issued: Kansas (Before 1951 )