parents and siblings; one's relatives
brothers and sisters; siblings
siblings; brothers and sisters
brother-in-law; stepbrother; sworn brother
foster sibling; foster brother; foster sister
sworn brother; buddy; pal
half-sibling (with a different mother)
fellow pupil; fellow apprentice
brotherly love; fraternal love; sibling affection
men who have had sex with the same woman; (lit.) hole brothers
half-sibling (with a different father)
even siblings turn into strangers
sibling with disabilities; (child) sibling