It's probably still a bit early to tell if bubs will be a lefty or a righty. When they are little they tend to swap hands a lot. By the time they are toddlers you should be able to tell. When you give them a spoon or crayon etc, place it in the middle of them (on the table or tray), rather than on the left or right close to a hand (sorry hope that makes sense!) that way you will encourage them to naturally use their favoured hand. Left handedness can run in families, but not necessarily from mum and dad IYKWIM, it could be your brother is a lefty and also your child etc... Sorry, hope that makes sense!