Some relatives, however, were not pleased. One sat in a car, crying; another stood surrounded by sympathizers offering pity. Both these women — mothers of the bride and groom — would have insisted they wanted only the best for their children but they defined "the best" as staying home to help support the family. (Para. 4)
Meaning: However, some relatives were not happy. One of them sat in a car, crying; another stood in the center of sympathizers who offered pity. And the mothers of the bride and groom would have said again and again that they wanted only the best for their children, but what they meant by "the best" was only that the couple should stay home to help support the family.
Please notice that it is these sentences that show that they were not happy with the couple's marriage. Some relatives were not pleased and both the mothers only wanted their children to stay home to help support the family.