A landlord has four sons, and each son has a sister. How many children does the landlord have?

A landlord has four sons, and each son has a sister. How many children does the landlord have?
A landlord has four sons, and each son has a sister. How many children does the landlord have?
A landlord has four sons, and each son has a sister. How many children does the landlord have?
A landlord has four sons, and each son has a sister. How many children does the landlord have?

A landlord has four sons,and each son has a sister. How many children does the landlord have?,