familia (family)

padres (parents)

madre (mother)

padre (father)

hermano o hermana (sibling)

hermano (brother)

hermana (sister)

abuela (grandmother)

abuelo (grandfather)

abuelos (grandparents)

hijo (male or if the gender is unknown) / hija (female) (child)

hijos (children)

hijo (son)

hija (daughter)

Tía (aunt)

Tío (uncle)

primo (male cousin) / prima (female cousin) (cousin)

Sobrino (nephew)

sobrina (niece)

madrastra (stepmother)

Padrastro (stepfather)

hermanastro (stepbrother)

hermanastra (stepsister)

hermanastro (half-brother)

media hermana (half-sister)

madre política (mother-in-law)

suegro (father-in-law)

nuera (daughter-in-law)

yerno (son-in-law)

cuñado (brother-in-law)

cuñada (sister-in-law)

esposo (husband)

esposa (wife)

cónyuge (spouse)

pareja (partner)

Prometido (fiancé)

prometida (fiancée)

Padrino (godfather)

madrina (godmother)

ahijado (godson)

ahijada (goddaughter)

adoptado (adopted)

tutor legal (guardian)

pariente (relative)

parentesco (relationship)