It would be easy. The ones wearing a colored star are not white. As long as everyone in your family for the last 3 generations did not wear a colored star you are in.
Virginia solved the issue easily with the Racial Integrity Act of 1924. First, you simplify and make it clear there are two races, White and Colored. No Indians, Native Americans, Blacks, Polynesians, Mexicans, Pakistanis; just White and Colored.
It really is that easy.
Oh, and Lena Horn is White (Egyptian) of course.
Edited by jar, : fix sin tax
Anyone so limited that they can only spell a word one way is severely handicapped!