File for contempt in Texas since that court still has jurisdiction. Also, file to have the judgments and case transferred to Louisiana. The contempt charge may be something you can handle yourself, but transferring the case and judgments to Louisiana is something you'll need a lawyer for.
Do you mean usufruct? Usufruct is a right of use less than full ownership. A person with a usufruct has the right to the use and fruits (e.g. income) from a thing, but cannot sell the thing. The house cannot be in someone else's name, but owned by another person. The daughter is either a co-owner, a full owner, or has a usufruct. If the daughter has a usufruct then she is allowed to live in the house, but cannot sell it. The owner of the home could sell the house, but that would not affect...
The father may be put in jail for contempt of court. Losing a job doesn't change the court order to pay child support. He can go into court though and try to modify the child support order since he is now unemployed however if he has assets or is voluntarily unemployed the judge may not let him change the order. This should be done immediately or the back child support will just continue to grow.
You'll have to look to the partnership agreement to determine if he acted properly or not. In any event you should take care of this situation as soon as possible. You need to have it well documented that you are no longer partners with this guy. It would scare me to death to be partners with someone if I knew they were stealing company funds and running personal expenses through the company.
The Secretary of State does check documents when someone fills out the change of ownership forms so just because he made the change with the Secretary of State doesn't mean that your ownership legally changed. You should hire an attorney as soon as possible.