(Feminine forms of God are shown in purple font; masculine forms are in saffron font. Names of the divine couples are underlined.)
You must have noted that the chart above is Shakti-centric, where the dotted lines show the three primary forms of Shakti. For a Vaishnava, this chart would be made differently. The following is a Sita-Rama-centric chart showing the same forms of the Divine:
Now, you can visualize how a chart for devotees of Parvati-Shiva or Lakshmi-Vishnu would look like.
 Though many Hindus believe in a hierarchy, others understand that all the divine forms are the same Brahman.