Okay, this is a two parter so read carefully!
Say there is a character named Harris.
What would you expect that character's brother to be named?
Have you got the answer? Think about it for a minute and get it set in your mind.
Now if Harris is a girl... what is her brother's name? Does it change things in your mind?
Comment to this post with both answers. Whoever comes up with the best name gets to have a character in my new story named after them! This person won't be related to Harris at all. *grins*