i remember reading it in some islamic books which says something like this " A man is made “Kafeel” for his family" & “Man is the breadwinner” & that earning and providing for the family is an obligation on man but not woman.
now who and who comes under the definition of a family i am not sure.
however, as reference to hadeeth saying taking care of parents financially is he son’s responsibility, there are multiple hadeeths that says about parents right on children and that how children should respect them and do not say even Uff to them in any case and to take care of them, so i think it automatically covers all the aspects of care i.e financially, morally, physically etc.