parents
padres
stepfather
padrasto
great-grandfather
bisabuelo
adopted
adoptados
niece
sobrina
twins (girls)
gemelas
great-grandmother
bisabuela
stepsister
hermanastra
nephew
sobrino
husband
esposo
twins (boys)
gemelos
brother-in law
cuñado
mother-in law
suegra
stepmother
madrastra
wife
esposa
quadruplets
cuatrillizos
twins of different gender
mellizos
relatives
parientes
stepbrother
hermanastro
triplets
trillizos
divorced
divorciado