Paragraph 10 I1

A is B's spouse, civil partner or cohabitee,

A is a relative of B,

A is the spouse, civil partner or cohabitee of a relative of B,

A is a relative of B's spouse, civil partner or cohabitee, or

A is the spouse, civil partner or cohabitee of a relative of B's spouse, civil partner or cohabitee.

two persons who are living together as if they were a married couple or civil partners are cohabitees,

references to a spouse, civil partner or cohabitee include a former spouse, civil partner or cohabitee, and

“relative” means a brother, sister, uncle, aunt, nephew, niece, lineal ancestor or descendant (the stepchild of any person, or anyone adopted by a person, whether legally or otherwise, as their child, being regarded as a relative or taken into account to trace a relationship in the same way as that person's child).