The First Texan

The First Texan is a 1956 film directed by Byron Haskin. It stars Joel McCrea and Felicia Farr.

Bowie is tried for treason. Houston represents him in court and successfully argues that the charge against Bowie must be dismissed because Mexico was not under martial law at the time.Katherine Delaney comes into Houstons life. He is still married back home, but separated and dictates a letter requesting a formal divorce. Katherine will not become involved with Houston unless he promises not to become actively involved in the fight to free Texas. ........

Source: Wikipedia