Has Wolfgang Amadeus Mozart sisters or brothers?

Yes, Wolfgang Amadeus Mozart had sisters and brothers. He was the seventh child of Leopold Mozart and Anna Maria Pertl. He had two sisters who survived to adulthood: Maria Anna, known as "Nannerl", who was a talented musician and composer in her own right, and Maria Constanze, who married Wolfgang Amadeus. Mozart had several other siblings who died in infancy or early childhood.