"Natural" at that time meant: "Biological" ACT OF LEGITIMATION that PREVIOUS TO THEIR MARRIAGE, _______, THEIR DAUGHTER wasborn, that they have at all times acknowledged her as THEIR DAUGHTER, that shehas constantly resided with the said appearees, and they have at all times provided her with the necessaries of life, clothing, etc. and that they do nowpublicly acknowledge the said "______" as their natural daughter, and in order that she may be entitled to alll the privileges secured to such children bylaw.