Legitimate

No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it. George Washington Carver

From Wikipedia: George Washington Carver (by January 1864 – January 5, 1943), was an American scientist, botanist, educator, and inventor. The exact day and year of his birth are unknown; he is believed to have been born into slavery in Missouri in January 1864.