Would I be too old for a career change?

Here is the situation. I graduated from college back in 2000, and was hoping to go back for my MBA in a couple of years. However, after working for a couple of years, I had a number of major family issues starting back in 2003. I am an only child and my parents are divorced so I had to take alot of the burden. My mother became severely depressed and wouldn't seek help. She was not taking care of herself, got into significant tax debt, almost lost the house ( I had to save it for her). She is doing better now.. My uncle became paralyzed (he and I were very close). I had to visit him, and take my grandmother to visit him. He was single so there was no one else to do it.. I also had to handle his affairs. My dad then got prostate cancer and that put going back for my MBA another year. There were also a few other deaths, and illnesses within my family that caused problems.

I am not trying to whine or anything like that, but it would have been difficult for me to focus on school with all of that going on at one time so I kept on putting it off. ..

I will be 29 if I go back to school next fall. My profile is I graduated from a large university with a 3.8 (Political Science/Econ), and my GMAT score is a 690. How would schools view my application? Am I too old? I really want to go back, but maybe it won't be worth it:(