(iii) a parent or step-parent of the person or of a
spouse or former spouse of the person,
(iv) a grandparent or step-grandparent
of the person or of a spouse or former spouse of the person,
(v) a brother or
sister, or step-brother or sister, of the person or of a spouse or former
spouse of the person.
(2) A reference in this Part to a person's
responsibilities is a reference to responsibilities--
(a) that the person has,
or
(b) that the person is thought to have (whether or not the person in fact
has the responsibilities), or
(c) that the person had in the past, or is
thought to have had in the past (whether or not the person in fact had the
responsibilities), or
(d) that the person will have in the future, or that it
is thought a person will have in the future (whether or not the person in fact
will have the responsibilities).
(3) In this section--
"spouse" of a person means--
(a) a person to whom the person is legally
married (including a husband or wife of the person), or
(4) A reference in this section to a child,
step-child, grandchild, step-grandchild, parent, step-parent, grandparent,
step-grandparent, brother, sister, step-brother or step-sister of a person or
of a spouse or former spouse of a person--
(a) includes a reference to persons
whose relationship arises because of adoption, guardianship or fostering or
because of the allocation of parental responsibility under a law of the
Commonwealth or this State, and
(b) includes a reference to persons whose
relationship arises because of the birth of a child whose parents are not
married to each other and are not parties to a de facto relationship with each
other, and
(c) in relation a reference to a brother or sister, includes a
reference to a half-brother or half-sister.