#support_payment__supportpayment  a payment made by one person for the support of another
  supertype:  payment  a sum of money paid
  subtype:  palimony  support paid by one half of an unmarried partnership after the relationship ends
  subtype:  alimony__maintenance  court-ordered support paid by one spouse to another after they are separated
  subtype:  child_support__childsupport  court-ordered support paid by one spouse to the other who has custody of the children after the parents are separated

No statement uses or specializes support_payment; click here to add one.