Their Not Twins

Riddle: These Two Kids Have The Same Mother, Same Date, Same DNA, and Same Personality. Still. They Aren't Twins. Why?

Answer: The Mother Have Triplets.

Source: https://www.riddles.com/8339

These Two Kids Have The Same Mother, Same Date, Same DNA, and Same Personality. Still. They Aren't Twins. Why? — Their Not Twins by Rellyred v1.

Riddle: These Two Kids Have The Same Mother, Same Date, Same DNA, and Same Personality. Still. They Aren't Twins. Why? Answer: The Mother Have Triplets. — by Rellyred v2.