1- Son of mother and of uncle (father's brother) simultaneously.
2- Son of father and of aunt (mother's sister) simultaneously.
3- Cousin and half-brother simultaneously.
1- First cousin and half-brother at the same time.
2- Son of mother and of uncle (father's brother) at the same time.
3- Son of father and of aunt (mother's sister) at the same time.
Son of a person's father with that same person's maternal aunt or son of a person's mother with that same person's paternal uncle.
My three-quarter-brother is a good person.