Wiktionary
half-siblings
n. (plural of half-sibling English)
Usage examples of "half-siblings".
His brother and all the rest of his half-siblings had fled to one of their father's castles in the south upon hearing that Bannor the Bold, one of Edward's most dangerous and trusted young knights, had amassed an army and was preparing to march upon Elsinore.
He spent some weeks with Isaac working on the colors experiment, others with Wilkins (now back in London, running regular meetings of the Royal Society again) working on the Universal Character manuscript, others with Drake or with his older half-siblings, who’d returned to London at Drake’s command, to await the Apocalypse.