John Mark Killam and Ladonna June Libby were married on August 24, 1968 in Harris County, Texas.
At the time of their marriage, John was 18 and Ladonna was 18. This marriage was recorded with State File Number 081579.
If still married, John and Ladonna would be celebrating 58 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.