Here are some Mexican culture tips from Kwintessential on the role of family:
- The family is at the centre of the social structure.
- Outside of the major cosmopolitan cities, families are still generally large.
- The extended family is as important as the nuclear family since it provides a sense of stability.
- Mexicans consider it their duty and responsibility to help family members. For example, the will help find employment or finance a house or other large purchase.
- Most Mexican families are extremely traditional, with the father as the head, the authority figure and the decision-maker.
- Mothers are greatly revered, but their role may be seen as secondary to that of their husband.
Any expats find this to be true?
Stumble It! 
Expats in Mexico 