I know groups may be expressed by the structure: plural pronoun + ni + name of representative of the group. (The English translation doesn't fully render the Tagalog phrase.) 1) kamí ni Edwin = we and Edwin Such phrases may be used in clauses. 2) Bábayáran kó kayó ni Edwin. = I'll pay you and Edwin. What happens when the name is replaced by a noun? Is it necessary to add a possessive adjective? 3) Bábayáran kó kayó nang kuyá ninyó. = I'll pay you and your eldest brother. 4) Bábayáran kó kayó nang kuyá. = I'll pay you and your eldest brother.