They are from the Whirlpool clan. Kushina Uzumaki is the mother of Naruto Uzumaki.
The Uzumaki clan, an ethnic group in the Japanese comic "Naruto" and its derivative works, originally lived in Uzushio Village, the country of Uzumaki, and is good at using sealing techniques. Although the group is small, it also has a long history. history, tenacious vitality (delaying the determination of death) and special chakra powerful enough to suppress the tailed beast. Red hair is his signature feature (except for Naruto), and when chakra is consumed excessively, his hair will turn white.
Most of the residents in the village live long lives, so Uchao Village is also called the longevity village. The Uzumaki clan and the Senju clan of Konoha are distant blood relatives, and have always maintained a deep bond with the Senju clan. The two sides have had long-term friendly exchanges (many ninjas in Konoha have the Uzumaki clan's mark on their clothes). However, because other ethnic groups were afraid of the Uzumaki clan's sealing technique, they attacked them in groups, and the country of Uzumaki was destroyed. The surviving tribesmen are anonymous and scattered around the world.
Extended information
The Kingdom of Whirlpool borders the Kingdom of Fire and has a deep friendship and blood relationship with the Konoha Ninja Village. Konoha’s then leader, the First Hokage, Senju Hashirama, The elders of the Uzumaki clan signed a friendship agreement, and Konoha Village has kept the Uzumaki mark on the clothes of its ninjas, which is proof of the friendship between the two countries for generations.
The wife of the first Hokage Senju Hashirama and the first Nine-Tailed Jinchuuriki of the Land of Fire, Uzumaki Mito is a female ninja from the Kingdom of Whirlpool.
The second Kyuubi Jinchuuriki of the Land of Fire, Kushina Uzumaki, the wife of the Fourth Hokage Namikaze Minato, is also from the Kingdom of Whirlpool.