The third brother Carney, Aote's half-blood twin, is it his own?

Brother Carney, the third brother of Aote's half-blood twins, is his own. Half-blood twins, three brothers, father is German-American, San Francisco nationality, graduated from Harvard University; There are three half-blood twin brothers whose mothers are from Guangyuan, Sichuan. They met and came together on the way to work and gave birth to triplets. The children are all biological.