public void setFamily(final int newf, final int news, final int newj1, final int newj2) {
        if (mfc == null || newf != mfc.getFamilyId() || news != mfc.getSeniorId() || newj1 != mfc.getJunior1() || newj2 != mfc.getJunior2()) {
            makeMFC(newf, news, newj1, newj2);
        }
    }