Answer:
Each hemisphere cools down during the part of the year it's tilted away from the sun. The winter solstice (December in the north, June in the south) arrives at the time when that tilt is at its most extreme angle.
Jose- abuelo
Paloma- abuela
Ernesto- padre
Maria- madre
Salvador- tío
Rosa- tía
Renaldo- hermano
Juanita- prima
Pedro- primo