Azumabito family

The Azumabito family (アズマビト家) is a family hailing from the nation of Hizuru. Kiyomi Azumabito serves as ambassador for Hizuru during the Liberio festival in Marley following the Marley Mid-East War.

History
When the First King erased the memories of the Eldians inside the Walls, the Asian clan was unaffected due to not being Subjects of Ymir. After turning against the Royal Government alongside the Ackerman family and rejecting the King's offer of nobility, the Asian bloodline was exiled from society and hunted down. By the year 844, it was said that the Asians had been hunted down to near extinction within the Walls.

Battle of Trost District arc
During the Battle of Trost District, Mikasa Ackerman recalls the time from her childhood when her mother and father were killed by human traffickers who were hoping to sell her and her mother to potential buyers in Mitras. She is rescued by Eren Yeager, killing two of the traffickers before Mikasa kills the third with her awakened Ackerman abilities. After the death of her mother, Mikasa Ackerman becomes the last surviving member of the Asian bloodline known to exist within the Walls.

The Uprising arc
In a conversation with Levi Ackerman before their confrontation with Kenny Ackerman and his subordinates, Mikasa mentions how her mother's family lost their home, possibly due to their Asian heritage.

Marley arc
One month after the Marley Mid-East War, ambassadors from across the world are invited to a festival in the Marleyan city of Liberio. Of these ambassadors, at least one is sent from Hizuru. One of these ambassadors is Kiyomi Azumabito. Udo, a Warrior cadet, accidentally spills some wine on her kimono during a gathering on the eve of the festival. Fearing for Udo's safety given his Eldian heritage, Kiyomi claims that she had spilled the wine on herself and was asking the boy for assistance. As she departs, the other cadets serving the ambassadors are surprised by the benevolence of the ambassador.

Before the curtain rises for Willy Tybur's speech, Kiyomi visits him backstage. Willy welcomes her on behalf of the whole Azumabito family, and is praised by Kiyomi for his bravery. She prays he is able to successfully fulfill his duty, before leaving the festival in its entirety.

Trivia

 * A common stereotype is that the Azumabitos are sensitive to the smell of money.
 * Kiyomi Azumabito has even shown to subconsciously drool at the thought of mass wealth. On the other hand, Mikasa Ackerman has shown no signs of avarice.