A dependent is: Husband, wife or partner involved with the main member in any same-sex or heterosexual union.; Ex-husband or ex-wife if required by a divorce settlement. Children (biological, adopted, step or foster); Parents, parents-in-law, step parents, step parents-in-law, grandparents and grandparents-in-law if they are factually dependent on the main member; Grandchildren and great-grandchildren if they are factually dependent on the main member. Siblings (brothers and sisters), half-siblings, step-siblings and in-law siblings if they are factually dependent on the main member; Nephews and nieces if they are factually dependent on the main member or of a member's spouse; A person, other than family, who is dependent on the main member for family care and support To be registered as a child dependant, a person must either be: under the age of 21; under the age of 28 and registered as a bona fide student at an educational institution recognised as such by the Board within South Africa or any other educational institution abroad; or totally dependent on the main member and who is deemed by the Board to be permanently disabled, irrespective of age. For most of the dependant categories outlined, an affidavit that proves factual dependency should be submitted with the application form. (Not older than three months.) An affidavit is a written declaration made under oath in front of someone legally authorised to administer an oath (for example, a Commissioner of oaths, or a police officer).