def get_parent_child_dict(company,parent,children_list):
    """
        Build a dictionary that contains parent company, subsidiary company information
        for a certain company

        Parameters
        ----------
        company: str
            A company name to build dictionary for
        parent: str
            The parent company name for the company
        children_list: list of strings
            A list of subsidiary names of the company
            
        Returns
        -------
        dict
            parent(str): the parent company name
            child(list): a list of subsidiary names of the company
    """
    parent_child_dict = {}
    parent_child_dict['parent'] = parent
    parent_child_dict['children'] = children_list
    return parent_child_dict