brothers and sisters; siblings; half-siblings; step-siblings; mate; friend
older brother and younger sister
parents and siblings; one's relatives
brothers and sisters; siblings
older brother and older sister
brother-in-law; stepbrother; sworn brother
siblings; brothers and sisters
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
half-sibling (with a different father)
men who have had sex with the same woman; (lit.) hole brothers
even siblings turn into strangers
affiliated company; sister company
brother-sister love; love between an older brother and younger sister; sibling affection
sibling with disabilities; (child) sibling
brother-sister inbreeding; sibling mating