You can say "Mis padres compraron una casa".
Mis padres quieren trasladarse a una nueva casa
house = casa
'in-house' - interior, interno/a
el casa = a house
"hen house" translates to, "gallinero" in Spanish.
padres
Los padres
bisabuelos
Mis abuelos maternos
en la casa del mayordomo is the spanish for at the butler's house
old house = casa vieja.
You say, "padres." It is, in fact, the plural of "father," however, it is understood in Spanish as parents: Mom and Dad. My parents = mis padres.