The possibility of a hospital being able to hand over, requirement for the competent public administration on the subject of protection of minors, data of the relatives of the given minors is brought up. The regulations about protection of the minors allow all the information that is pertinent, including the one related to the environment family of the minor, to consider that the competent public administration has legal habilitation to access. Even so, the indiscriminate or generalized access to all data of the relative of the minor of which he orders the hospital, contrary at the beginning of quality (article 4 of the LOPD) could work out, since any access to the data has to be proportionate. Therefore, it is advisable that the hospital carries out a previous exercise of ponderation, and values, out of all the information which it has about the relative of the minor, which of this information can be relevant for the fulfillment of the legitimate purpose of informing about the situation of risk of the minor.