Sort of a spin off from a "mental load" thread.
In our family, I pick out the gifts for DH's side and wrap them. I guess it's not such a big deal because it's just his mom, brother, and my SIL. It's technically from the both of us, but I also do my side of the family. I would probably be left speechless if my husband said, "Why don't you get this for your nephew?"
So, who does it? You or your SO?