Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type! Do you have 30 surnames with blood in China? Whether the child is biological or not, just look at the blood type!