Frederick J Duderstadt and Sandra Keller were married on July 31, 1981 in Gonzales County, Texas.
At the time of their marriage, Frederick was 45 and Sandra was 33. This marriage was recorded with State File Number 091972.
If still married, Frederick and Sandra would be celebrating 45 years of marriage in 2026.
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To obtain a certified copy of the marriage certificate, contact the Gonzales County Clerk's Office or the Texas DSHS Vital Statistics office.