Douglas J Knutzen and Diana L Plummer were married on April 16, 1977 in Harris County, Texas.
At the time of their marriage, Douglas was 35 and Diana was 31. This marriage was recorded with State File Number 047503.
If still married, Douglas and Diana would be celebrating 49 years of marriage in 2026.
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To obtain a certified copy of the marriage certificate, contact the Harris County Clerk's Office or the Texas DSHS Vital Statistics office.