Hibernate Relationship

Good afternoon person, I have this problem, it must first insert the person and then the client, he is not inserting either, if someone can help me to configure the models and hibernate to do this insert

ERROR

Hibernate: 
    select
        SEQ_CLIENTE.nextval 
    from
        dual
Hibernate: 
    select
        SEQ_PESSOA.nextval 
    from
        dual
Hibernate: 
    /* insert model.PessoaModel
        */ insert 
        into
            PESSOA
            (PES_ATIVO, PES_BAIRRO, PES_CADASTRO, PES_CELULAR, PES_CEP, PES_CIDADE, PES_COMPLEMENTO, PES_CPFCNPJ, PES_EMAIL, PES_ENDERECO, PES_FANTASIA, PES_FISICA, PES_FONE1, PES_FONE2, PES_NOME, PES_NUMERO, PES_RGIE, PES_SITE, PES_UF, PES_CODIGO) 
        values
            (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
Hibernate: 
    /* insert model.ClienteModel
        */ insert 
        into
            CLIENTE
            (CLI_LIMITECRED, PES_CODIGO, CLI_CODIGO) 
        values
            (?, ?, ?)
nov 01, 2018 4:57:05 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
WARN: SQL Error: 2291, SQLState: 23000
nov 01, 2018 4:57:05 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
ERROR: ORA-02291: restrição de integridade (UNIP.FK_CLIENTE) violada - chave mãe não localizada

nov 01, 2018 4:57:05 PM org.hibernate.internal.ExceptionMapperStandardImpl mapManagedFlushFailure
ERROR: HHH000346: Error during managed flush [org.hibernate.exception.ConstraintViolationException: could not execute statement]