How to delete a neutron router

Issue

• Unable to delete router
• Unable to delete neutron router
• Router still has ports

[stack@os-director ~]$ neutron router-list
| 47dd0af3-c025-43cf-9041-f625eb8d51de |  router1                                      | null                                                                                                                                                                                      | False       | True |
-------------------------------------------------------------------------------------------------+-------------+------+

[stack@os-director ~]$ neutron router-delete router1
Router 47dd0af3-c025-43cf-9041-f625eb8d51de still has ports