Are Guillermo Ochoa and Lorena Ochoa related?

Dear Madam/Sir,

Your have asked this question and I'm tiring to help you.I have found some links it may help you for found an answer to your question .

the links:

http://www.worldgolf.com/features/filmmakers-look-into-life-and-career-of-lorena-ochoa-5321.htm

or

http://www.thegolfblog.com/2006/08/miyazato-siblings-make-noise-on-pga.html

best regards

Ashraf Atif