Robert Louis Sindelar and Andrea Theodora Duncan were married on January 6, 1966 in Dallas County, Texas.
At the time of their marriage, Robert was 21 and Andrea was 19. This marriage was recorded with State File Number 001851.
If still married, Robert and Andrea would be celebrating 60 years of marriage in 2026.
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To obtain a certified copy of the marriage certificate, contact the Dallas County Clerk's Office or the Texas DSHS Vital Statistics office.