No, Sasuke Uchiha didn’t have any other sibling besides Itachi Uchiha, his older brother, who played a significant role in Sasuke’s life from the time of the tragic Uchiha clan massacre to the present.
Sauke’s narrative revolves around the bond he shares with his brother, Itachi and other characters, without mentioning any sister.
Sasuke’s Family Background: Does He Have a Sister?
In the Naruto series, we can depict that we were being shown how Itachi was led to destroy the entire Uchiha clan.
We see the moment he shared with Sasuke, his younger brother, who looked up to him. So, in the series, you can pick that Itachi overspent time with Sasuke, and they were the only two kids born from their parents, who were also Uchihas.
The Uchiha Clan
We know that Itachi and Sasuke Uchiha were part of the most prestigious Uchiha clans found in the Hidden Leaf Village, which had a long history of lineage since the time of the first Hokage and the rainy times of Madara Uchiha.
So, The Uchihas are very well known for their techniques and typical unique eyes, including Sharingan and strong chakras. They were considered to be exceptionally good regarding ninja skills and style. Thus, they remained the police force of the Hidden Leaf.
Itachi Uchiha
Itachi was an elder son of the Uchiha Clan, and he was the sole reason behind the Uchiha clan’s massacre. For the Uchiha clan to wage war against the world by staging a coup d’etat,
he was the one to annihilate the entire Uchiha clan. And in that sense, he spared his one and only young sibling, who was Sasuke.
However, unaware of the actual reason, the Uchiha clan massacre brought a personal Vengeance feeling towards Itachi in Sasuke. But we could see that Itachi made these decisions to save Sasuke from indulging in the dark side of the Uchiha clan.
The Importance of Family in Sasuke’s Story
Itachi was the sole reason behind the massacre of the entire Uchiha clan, as well as their family, including the mother and father of his younger brother, Item Sasuke Uchiha.
Therefore, that complex relationship started with him seeking vengeance because of the murder of his parents and the Uchiha clan from Itachi. However, Itachi spared Sasuke so he to embark on a better path than the entire Uchiha clan had.
Their bond grew further after Sasuke Killed Itachi. He finally realized the truth behind Itachi’s responsibilities and sacrifices and his actions to create a better Uchiha clan and a better legacy.
Sasuke’s Role as a Brother and Father
Following the sequel of Naruto Shippuden was Boruto: Naruto Next Generations, of which we realize that Sasuke Uchiha was now working on Behind the Shadows and in aid to Naruto, who was the hidden leaf Hokage at the time.
In that sense, he was not just a crucial member of the hidden leaf but also a father to Sarada, Whom he gave birth to through Sakura. His relationship with Sarada played a huge part in the Beltane Generations because Sasuke had to take up a fatherly role as well as a mentor role as he was trying to protect the village and his family with the hopes of continuing his legacy.
Conclusion
Therefore, we are here to tell you that Sasuke Uchiha did not have a sister. Rather, he had a brother who really cared for him and cherished him so deeply that he decided to spare him during the whole massacre of the Uchiha clan.