Of the four Hau grandchildren, only one is a boy. He likes playing with airplanes and used to wear a smart pilot's outfit which he clung on to long after it great too small for him.
四個內、外孫中，只有一個小男生；不過這壯得像小牛犢的外孫，卻得到外公的「真傳」﹘﹘沒事就要畫國旗、玩飛機；最愛穿一套帥氣的小飛行裝，穿髒了不肯脫、穿不下了還硬要。