The prices are meant per person and day. A surcharge of 10 % will be charged for short stays of less than 3 days.
Children up to 2 years stay free of charge, when staying in the same bed as the parents or if you bring your own cot.
The reduction for children is always meant in the parents' room:
up to 5 years -70%
up to 10 years -50%
up to 14 years -30%
from 15 years -20 %