"family member"
in relation to any person, means his or her parent, sister, brother, child or spouse—
(a) including a person living with that person as if they were married to each other, namely a spouse or life partner;
(b) whether such relationship results from birth, marriage or adoption;
(c) including any other relative who resides permanently with that person; and
(d) including any other relative who is of necessity dependent on such person;