Benjamin.
King Saul was from the tribe of Benjamin because the book of Samuel says he was from the tribe of Benjamin. There is no reference anywhere in the Bible to King Saul being from the Tribe of Judah.
King Saul.
Yes, King Saul came from the Jewish tribe of Benjamin.
Judah
Saul was the first king Israel. He was anointed as the king of Israel by Prophet Samuel. He was a Benjaminite by tribe.
In the Bible, Ruben was not specifically mentioned as being related to Saul. Rather, Ruben was one of the twelve sons of Jacob and the ancestor of the tribe of Reuben. Saul was from the tribe of Benjamin.
Saul's father was named Kish, of the Tribe of Benjamin (1 Samuel ch.9).See also:King Saul's accomplishments
The Tanakh (Jewish Bible) states that Saul was the son of Kish, of the family of the Matrites, who were of the Israelite tribe of Benjamin.
In the King James version Act 13:21 And afterward they desired a king: and God gave unto them Saul the son of Cis, a man of the tribe of Benjamin, by the space of forty years.
David became king after Saul's death around 1010 BC. Following Saul's demise, David was anointed king over the tribe of Judah, and later, he became the king of all Israel, uniting the tribes under his rule. His reign is marked in the biblical narrative in the books of Samuel.
As king, he had none. Saul was the first Hebrew king.
Saul's father was called Kish (see 1 Samuel 9:1), of the tribe of Benjamin. His mother isn't named.