0 a brother who is the son of only one of your parents
1 a brother who has one of the same parents as you do, but whose other parent is different from yours
He was treated comparatively well by his father, who educated him together with his legitimate half-brother.
She has a twin brother, with whom she is said to get along well, and a younger half-brother and half-sister who are also twins.
His family included two brothers, a sister, a half-brother, and a half-sister.
He is assumed to have studied drawing and painting with his half-brother.
He had seven brothers and sisters and four half-sisters and one half-brother from his father's first marriage.
A dishonest shipbuilder plans to frame his half-brother for his own criminal activities.
As her half-brother, following the death of their father he is given control over her because of her young age.
He has a half-brother, three half-sisters and a younger full sister.