Bahz bin Hakim on his father's authority from his grandfather (RA):
I asked, "O Allah's Messenger, to whom should I be kind and dutiful?" He replied, "Your mother." I asked, "Who comes next?" He replied, "Your mother." I asked, "Who comes next?" He replied, "Your mother." I asked, "Who comes next?" He replied, "Your father, then your relatives in order of nearness (of relationship)."
[Abu Dawud and at-Tirmidhi reported it; the latter graded it Hasan (good)].