original question: how many Hadron is of the family [Baryon]?
answer: 7
answer type: Hadron.
auxiliary information: A baryon is a composite subatomic particle made up of three quarks. Baryons and mesons belong to the hadron family of particles, which are the quark-based particles. The name "baryon" comes from the Greek word for "heavy", because, at the time of their naming, most known elementary particles had lower masses than the baryons. As quark-based particles, baryons participate in the strong interaction, whereas leptons, which are not quark-based, do not. The most familiar baryons are the protons and neutrons that make up most of the mass of the visible matter in the universe. Electrons are leptons. Each baryon has a corresponding antiparticle where quarks are replaced by their corresponding antiquarks. For example, a proton is made of two up quarks and one down quark; and its corresponding antiparticle, the antiproton, is made of two up antiquarks and one down antiquark.
What is the number of Hadron of the family [Baryon]?