Correct. All of the above are considered personal identifiers: (11)
Re. 1 Date of birth is directly related to an individual and can be used as an identifier.
Re. 2 Fingerprint is unique to a person and thus is a direct identifier.
Re. 3 An IP address is an address assigned to each computer or device that connects to a network to enable identification. They may be automatically recorded when a person performs online activities such as filling in an online form.
Re. 4 The names of spouses, children, relatives or employers may indirectly identify an individual.