| 1. | Betty Ruth Blair Betty married Ronald "Ronnie" Costner Abt 1960. Ronald (son of Clyde Costner and Mildred) was born Abt 1941; died 15 Sep 2010. [Group Sheet]
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| 2. | Cathy E. Costner Cathy married James C. Cowan 5 Jan 1983, Davidson County, Tennessee; divorced Yes, date unknown. [Group Sheet]
Cathy married Mark K. Lance 8 Dec 2000, Williamson County, Tennessee. [Group Sheet] |
| 3. | Keith Costner Keith — Janice. [Group Sheet] |
| 4. | Jameson Cowan |
| 5. | Josh Cowan |
| 6. | Luke Cowan |