In cases where the next of kin, legatees, heirs, and devisees are liable for the debts of their ancestors, as provided in this subchapter, they shall be liable therefor without other priority or preference than such ancestors would have been. The word “debt”, as used in this subchapter, shall be construed to include all claims for the payment of money which survive against the personal representatives of the deceased, as provided in section 641 of this title.