Witmilian

Witmilian is a gender related/connected to a witch’s familiar, being a witch or witch's familiar, or similar.

History and Flag
Witmilian was coined on June 1, 2019 by wavership on Tumblr. The flag was created at the same time by genderrose, whose Tumblr has since been deactivated.

Resources
http://archive.is/mCZew