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Sullivan | Klocke | WilliamsonEnter
the 3 lawyers of Williamson Law Firm, PLLC

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We provide principled, honest family law services to clients across North Texas.

Sullivan, Klocke & Williamson are Your Family Law Attorneys in North Texas

At Sullivan, Klocke & Williamson we focus entirely on family law legal matters. From birth through death, there are a number of legal issues we can help with. Families all over Texas seek out and hire Sullivan, Klocke & Williamson for help with divorce, custody and property division cases.

We provide principled, honest, family law services to our clients in Collin, Dallas, Denton, Rockwall and Tarrant County.

Family Law Services


Our skilled Texas adoption attorneys help families overcome the obstacles and finally realize their adoption dreams.

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In Texas, there are real challenges to spousal maintenance. Texas courts consider several factors to calculate spousal support.

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Child Custody

Child support disputes can become highly charged emotionally, but the seasoned family law attorneys at Sullivan, Klocke & Williamson are ready to help.

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We have substantial experience in resolving divorces and divorce-related disputes through both mediation and litigation.



Mary Beth Sullivan

Mary Beth Sullivan is a partner at Sullivan, Klocke & Williamson, actively serving in North Texas.

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Eric B. Klocke

Revise with: Eric Klocke is a partner at Sullivan, Klocke & Williamson, actively serving in North Texas.

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Mark Rush Williamson

Mark Williamson is a partner at Sullivan, Klocke & Williamson, and has handled hundreds of cases, big and small, across the State of Texas.

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We provide hope in times of turmoil. Book a consultation today.

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Avvo Rating: 10.0 – Top Attorney

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