(iv) if the deceased officer leaves one or more
children and a spouse to whom a dependant pension
is granted, and the spouse subsequently dies, re-
marries or ceases for any other reason to receive
the dependant pension, a dependant pension to
each child as from the date of the death or
marriage of the spouse, or the date on which a
dependant pension to the spouse ceases, of double
the amount in accordance with paragraph (ii):
Provided that the dependant pension granted
to a child or children under this paragraph shall
be not less than $6,000 a year where no other
dependant pension is granted under this section;
(v)
if the deceased officer does not leave a spouse, or
leaves a spouse to whom no dependant pension is
granted, and if the mother of the deceased officer
was wholly or mainly dependent on the deceased
officer for her support, a dependant pension to the
mother, while the mother is without adequate means
of support, of an amount not exceeding the
dependant pension which could have been granted to
the spouse under paragraph (i);
(vi)
if the deceased officer does not leave a spouse,
or leaves a spouse to whom no dependant pension
is granted, or does not leave any children or