birth

... 1. Persons taking no active part in the hostilities, including members of armed forces who have laid down their arms and those placed hors de combat by sickness, wounds, detention, or any other cause, shall in all circumstances be treated humanely, without any adverse distinction founded on race, colour, religion or faith, sex, birth or wealth, or any other similar criteria. ...

... Every prisoner of war, when questioned on the subject, is bound to give only his surname, first names and rank, date of birth, and army, regimental, personal or serial number, or failing this, equivalent information. If he wilfully infringes this rule, he may render himself liable to a restriction of the privileges accorded to his rank or status. ...

... Each Party to a conflict is required to furnish the persons under its jurisdiction who are liable to become prisoners of war, with an identity card showing the owner's surname, first names, rank, army, regimental, personal or serial number or equivalent information, and date of birth. The identity card may, furthermore, bear the signature or the fingerprints, or both, of the owner, and may bear, as well, any other information the Party to the conflict may wish to add concerning persons belonging to its armed forces. As far as possible the card shall measure 6.5 x 10 cm. and shall be issued in duplicate. The identity card shall be shown by the prisoner of war upon demand, but may in no case be taken away from him. ...

... 1. Surname and first names of the prisoner of war, his rank, his army, regimental, personal or serial number, his date of birth, and his profession or trade, if any; ...

... This information shall make it possible quickly to advise the next of kin concerned. Subject to the provisions of Article 17, the information shall include, in so far as available to the Information Bureau, in respect of each prisoner of war, his surname, first names, rank, army, regimental, personal or serial number, place and full date of birth, indication of the Power on which he depends, first name of the father and maiden name of the mother, name and address of the person to be informed and the address to which correspondence for the prisoner may be sent. ...