- Hank Williams and Hank Williams Jr. are father and son.
- Willie Nelson and Buddy Cannon are brothers-in-law.
- George Strait and Dean Dillon are cousins.
- George Jones and Tammy Wynette were husband and wife.
- Tim McGraw and Faith Hill are husband and wife.
- Maren Morris and Cassadee Pope are sisters-in-law.
- Loretta Lynn and Crystal Gayle are sisters.
- Miranda Lambert and Blake Shelton were husband and wife.
- Kacey Musgraves and Ruston Kelly were husband and wife.
- Reba McEntire and Narvel Blackstock were husband and wife.
- Dolly Parton and Carl Dean are husband and wife.