A more thorough explanation:

CONSANGUINEUS FRATER

Consanguineus frater is a Latin term that means "blood brother." In history, it referred to a half-brother who shares the same father.

For example, if John and Jane got divorced, and John had a son named Jack with another woman, Jack would be Jane's stepson. However, if John and Jane had a son named Joe, and John had another son named Jack with another woman, Joe and Jack would be consanguineus fraters because they share the same father.

Another example would be if a man had two wives and had children with both of them. The children from each wife would be half-siblings, but if they had the same father, they would also be consanguineus fraters.

The examples illustrate the definition of consanguineus frater by showing that it refers to a half-brother who shares the same father. In both examples, the brothers have the same father but different mothers, making them consanguineus fraters. This term is used to describe the relationship between siblings who have a blood connection through their father.