FAMILY

A FAMILY is either:
(a) a single person occupying a dwelling and maintaining a household, including not more than one BOARDER, ROOMER, or LODGER as defined in Section D26-1.7 of the Housing Maintenance Code; or
(b) two or more persons related by blood or marriage, occupying a dwelling, living together and maintaining a common household, including not more than one such BOARDER, ROOMER, or LODGER; or
(c) not more than four unrelated persons occupying a dwelling, living together and maintaining a common household. A common household shall be deemed to exist if all members thereof have access to all parts of the dwelling.