Luke Aaron Dillon v. Christina Sarah Bamford

Texas Court of Appeals, 3rd District (Austin)·Decided April 30, 2026·No. 03-25-00457-CV·Published

Opinion

TEXAS COURT OF APPEALS, THIRD DISTRICT, AT AUSTIN

NO. 03-25-00457-CV

Luke Aaron Dillon, Appellant v.

Christina Sarah Bamford, Appellee

FROM THE 425TH JUDICIAL DISTRICT COURT OF WILLIAMSON COUNTY NO. 19-2055-F425, THE HONORABLE BETSY F. LAMBETH, JUDGE PRESIDING

MEMORANDUM OPINION

Appellant Luke Aaron Dillon appeals the district court’s orders denying his petition to modify the parent-child relationship and granting in part and denying in part his motion for enforcement of his agreed divorce decree with appellee Christina Sarah Bamford. In four issues on appeal, Dillon argues that the district court abused its discretion by: (1) finding that there was no material and substantial change in circumstances sufficient to modify the terms of conservatorship in the manner requested by Dillon; (2) making other changes to the terms of conservatorship that were not supported by the evidence; (3) awarding Dillon the right to claim the couple’s three children as dependents for income tax purposes in 2026 rather than 2019, contrary to the terms of the divorce decree; and (4) finding that there was insufficient evidence that Bamford had violated the divorce decree by claiming the children in 2021. For the

following reasons, we will affirm the district court’s orders in part and reverse and render them in part.

BACKGROUND

Dillon and Bamford married in 2012 and had three children together: J.A.D.

(“Joe”), born in 2012; K.R.D. (“Kristen”), born in 2015; and J.Z.D. (“Jack”), born in 2017. 1 Dillon and Bamford divorced in 2019 pursuant to an agreed divorce decree. Among other provisions, the decree named Dillon and Bamford as joint managing conservators, with Bamford having the exclusive right to designate the primary residence of the children within Williamson County and the exclusive right to receive periodic child-support payments. Both Dillon and Bamford shared the right, among others, “subject to the agreement of the other parent conservator, to consent to psychiatric and psychological treatment of the children.”

Regarding liability for federal income taxes, the decree awarded Dillon “the sole right to claim the children as dependents for income tax purposes on [his] income tax returns for odd-numbered years beginning with the calendar year 2019.” The decree similarly awarded Bamford “the sole right to claim the children as dependents for income tax purposes on [her] income tax returns for even-numbered years beginning with the calendar year 2020.”

In 2023, Dillon filed a petition to modify the parent-child relationship, seeking to be named joint managing conservator with the exclusive right to designate the primary residence of the children and to serve as the “tie breaker” in the event that he and Bamford could not agree on decisions relating to the children’s care and education. Dillon also filed an amended motion to enforce the divorce decree, alleging that Bamford had “violated the decree twice by claiming

For the children’s privacy, we refer to them using pseudonyms. See Tex. Fam. Code

1

§ 109.002(d); Tex. R. App. P. 9.8.

the children as dependents for tax purposes in the following two tax years, 2019 and 2021, which were explicitly designated as [Dillon’s] years to claim the children.”

The case proceeded to a final hearing on modification and a separate hearing on enforcement. At the modification hearing, Dillon and Bamford each testified. Dillon testified that there had been “some friction” between him and Bamford since the divorce and that Bamford would insult him and use profanity when communicating with him in text messages and social-media posts. Additionally, in one communication with Jack’s school, Bamford had accused Dillon of domestic violence and “angry violent behavior,” which she blamed for Jack’s “severe outbursts of physical [and] verbal aggression.”

Dillon further testified that Bamford was inadequately “coparenting” with him.

He explained, “There’s a lot of examples or times that she didn’t coparent, was pretty much fighting me any time I would try to coach my children, arguing about any time we wanted to trade days.” Dillon claimed that Bamford was neglecting her duties as parent. According to Dillon, Bamford had attended “maybe a few,” if any, of the children’s social events such as birthday parties; was not taking the children to their doctor’s appointments and was ignoring their medical care and dental hygiene; and had kept drugs in her home where the children had easy access to them.

Bamford testified that she was now married to another man who had four minor children of his own plus an adult daughter, that she had been unemployed since December 2023, and that her only source of income apart from her husband was child support. Bamford testified that she did not use any illegal drugs but had used Delta-8 THC, a legal drug, two years ago. She admitted that Kristen had at one point gotten into her Delta-8 gummies. Bamford also testified that she had allowed the children to “wander” their neighborhood without supervision. She

described the neighborhood as “a regular suburban neighborhood, stone wall in Liberty Hill. It’s the neighborhood that their school is in. Lots of families, lots of kids, lots of kids riding their bikes, playing basketball in the street.” Bamford acknowledged that on one occasion, the children were in a go-cart accident in which Kristen was riding in the passenger seat, but she suffered no injuries, and on another occasion, Bamford had allowed Jack to ride with her husband on a motorcycle without a helmet. Bamford also admitted that she had left Kristen at home without adult supervision, although she clarified that her oldest son was with Kristen at the time. Bamford further testified that she had not taken the children to the dentist, but this was because Dillon had told her that he “wanted to handle that.” Bamford also acknowledged that she had not vaccinated the children, but this was a decision she and Dillon had made together during their marriage.

Bamford agreed that she and Dillon did not always have the best co-parenting arrangement, but she testified that there were times when they were able to work together and communicate regarding the children. She also testified that she took the children to birthday parties and play dates. Regarding her text messages in which she used profanity to communicate with Dillon, Bamford testified that he did the same when communicating with her, calling her such names as “a cheap whore” and “a dumb bitch.” She also testified that she never cursed or bad-mouthed Dillon in front of the children.

Bamford acknowledged that she had not reimbursed Dillon for the children’s medical expenses. However, she also testified that Dillon owed her over $30,000 in child support, which adversely affected her ability to reimburse the children’s medical expenses. Bamford further testified that all three children were in therapy, that she and Dillon were equally responsible for paying for Joe’s therapy, and that Dillon was paying for the other two children’s

therapy “on his own” because she did not agree with Dillon that the other two children needed therapy. However, according to Bamford, beginning in November 2024, Dillon had stopped taking the children to therapy.

Bamford denied Dillon’s claim that the children had hygiene issues while they were in her care. Bamford acknowledged that Dillon handled most of the children’s dental appointments but that with orthodontic and ENT visits, they have “both taken them but especially recently I’ve taken them on almost all of the ortho and ENT.” She added, “We’ve equally taken them to therapy, speech therapy. Sick visits I take them on my weeks if something happens, an accident happens and they need to go to the doctor while with me, I take them, things like that.”

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