\\Classe Pessoa

@Entity
@Table(name = "PESSOA")
public class Pessoa2 implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Basic(optional = false)
@Column(name = "ID")
private Integer id;
@Column(name = "NOME")
private String nome;
@Column(name = "DATANASCIMENTO")
@Temporal(TemporalType.DATE)
private Date datanascimento;
@OneToMany(cascade = CascadeType.ALL, mappedBy = "pessoa")
private Collection<Endereco> enderecoCollection;
...
}

// Classe Endereco

@Entity
@Table(name = "ENDERECO")
public class Endereco implements Serializable {
private static final long serialVersionUID = 1L;
@EmbeddedId
protected EnderecoPK enderecoPK;
@Column(name = "LOUGRADOURO")
private String lougradouro;
@Column(name = "BAIRRO")
private String bairro;
@JoinColumn(name = "IDPESSOA", referencedColumnName = "ID", insertable = false, updatable = false)
@ManyToOne(optional = false)
private Pessoa2 pessoa;
...
}

// EnderecoPK

@Embeddable
public class EnderecoPK implements Serializable {
@Basic(optional = false)
@Column(name = "ID")
private int id;
@Basic(optional = false)
@Column(name = "IDPESSOA")
private int idpessoa;
...
}