in relation to any person, means—
(a) | the spouse or partner of that person; |
(b) | anybody related to that person or his or her spouse within the third degree of consanguinity or affinity; or |
(c) | any adoptive child within the first degree of consanguinity; |
[Definition inserted by section 1(r) of Notice No. 21, GG 40548, dated 17 January 2017]