Nick names

Joanna has nick names from both boys, but interestingly they are different.  Joanna is "Na Na" according to John.  Despite the fact his language is probably good enough to say joanna properly he still calls her that, and she responds. Joanna is "ra ra" by Daniel.  The other main person/ people with a name from Daniel are the grandfathers, who are both known as "ba ba". But then a picture of an older Man with grey hair also gets called ba ba.  It will be a bit of sad day when Joanna stops being nana!