lbus is a quiet, kind, and thoughtful young boy, unlike his loud older brother. He seems to have inherited aspects of his father's personality. He inherited Harry's irrational and childish fear of being Sorted into Slytherin house, exhibited by Harry during his own sorting in 1991. He also inherited the paternal line of curiosity, showing an interest in his father's fame and past.
It seems that Albus has the closest relationship with his father out of his siblings