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For information on how to upgrade the petition, please look at page 3 on the bottom right of the link I am providing below.
To bring your father, you will need to follow the same steps to bring your wife, file an I-130 and eventually and I-864 and then have him do consular processing.
Unfortunately, in regards XXXXX XXXXX brother, unless he is a minor, he will have a long wait. You may still file an I-130 petition for him, but the wait for that category is about 11 years at the moment. (4th category Family-Based Preference - http://travel.state.gov/visa/frvi/bulletin/bulletin_4252.html )
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