@phillip2015 My oldest son is the same height as my brother and my dad, 5'8. My youngest is 6'2" , taller than his dad (6'). I'm 5'2". My brother is 5'8", his wife is 5'2" and their son is 6'2".
When the doctor told me my oldest would be about 5'8", I said: Oh! Really?
He was an older doctor...