dies from a cause other than the injury before the end of the period specified by the schedule; the compensation specified by the schedule that is unpaid at his death, whether or not accrued or due at his death, shall be paid
in the following order of precedence:
(i) If there is no child, to the widow or widower.
(ii) If there are both a widow or widower and a child or children, one-half to the widow or widower and one-half to the child or children.
(iii) If there is no widow or widower, to the child or children.
If there is no survivor in the above classes, to the parent or parents wholly or partly dependent for support on the decedent, or to other wholly dependent relatives listed by section 8133 (a)(5)
of this title, or to both in proportions provided by regulation.
If there is no survivor in the above classes and no burial allowance is payable under section 8134
of this title, an amount not exceeding that which would be expendable under section 8134
of this title if applicable shall be paid to reimburse a person equitably entitled thereto to the extent and in the proportion that he has paid the burial expenses, but a compensated insurer or other person obligated by law or contract to pay the burial expenses or a State or political subdivision or entity is deemed not equitably entitled.