Sanguigender

Sanguigender is a xenogender that feels connected to or influenced by ones culture. It is not a third gender or cultural specific gender, but rather when one feels as though their gender and culture are tied together. For example, a sanguigirl who embraces femininity may feel as though their feminine nature is due to the culture they are a part of, and the gender roles applied to said culture.

History
Sanguigender was coined by a user going by Anderson on January 3rd, 2021.

Flag
The Sanguigender flag was created on April 17 by fandom user EmperorTaco. The flag has blue for Hispanics, green for Ireland, and blue for France and a plus for all cultures.

Resources
https://lgbta.wikia.org/f/p/4400000000000074338