Genesis 30

...so she called his name Joseph....
It is one of those things; Rachel did not know that Joseph would grow up to save large groups of people from famine.  Perhaps this is grace -not knowing what your children will grow up to be, for if you knew you might treat them, or guide them differently. 
Perhaps there is grace in musing about what I want to be when I grow up...this brings a smile to my face because I plan not to grow up.   :)