Later in the anime, the Third Division came across another reincarnated shinobi: Master Chen — a renown hero of Konohagakure who was thought to have died during the Third Shinobi World War. Though Lee was worried he would die in the operation, thanks to Guy's influence, he accepted the surgery.  Through his continued training, Lee has become able to open some of the Eight Gates instantly and shows a faster recovery rate from using them, but he nevertheless succumbs to the pain or exhaustion they cause.
His strength could unearth a massive tree root from the ground, and speed fast enough to outpace a two-tomoe Sharingan. At the close age of around 2-5, he and his family moved from the village to the village of Konoha. Rock Lee serves as the proctor for the third and final round of the Chūnin Exams. Despite having few special abilities, made some noteworthy contributions to the investigation. While trying to infiltrate Akahoshi's mansion, he pretended to use a jutsu known as "Wall-Removing Technique", but, in actuality, it involved him moving at high speed to open a door from the other side. Main article: Birth of the Ten-Tails' Jinchūriki He believes that one cannot dislike food and shows strong dedication to his promises; when this promise is broken, just barely, he assigns himself arduous training to prevent it from happening again. Eventually everyone lost their desire to fight when Fū arrived with her optimistic ways. Main article: Academy Entrance Arc As Chen's immortal body disintegrates, he remembers the time when he had his own student who was incapable of using ninjutsu, and how he had died during the Third Shinobi World War. When Naruto stumbled upon the dōjō, Lee asked that he fight, but Naruto had to leave hastily, late for reporting back to Tsunade. As such, Lee became determined to defeat Neji in order to prove him wrong, though was met with defeat every time. He later stood with the other members of the Allied Shinobi Forces as they prepared to face their opposition. Lee resolved to keep Neji's memory in his heart. His twin brother is the Genin Brock Lee. As the intensity grew between the two, Shira's previous wounds begin to reopen, prompting Lee to call off the fight. Lee's favourite foods are medium spicy curry rice and curry pilaf, though, like his sensei, he finds it impossible to dislike any sort of food. He would also later be promoted to Jōnin rank. Deeply touched by Denki's drive to succeed, Lee decided to supervise Denki's continued training. Lee's dedication caused Karashi to become enthusiastic, and he later left. EX 3, Naruto Shippūden: Gekitō Ninja Taisen! Neji laughed at him, but their sensei, Might Guy, took a special interest in Lee. After Gaara was revived and their mission completed, both teams accompanied him back to Sunagakure and later paid their respects at Chiyo's grave. Guy arrived on the battlefield in time to save Kakashi and then confront Madara. Unlike most shinobi, he lacked the skills necessary to use ninjutsu or genjutsu, but, by devoting his attention to taijutsu alone and undergoing special training in that regard from his teacher, Might Guy, he overcomes those shortcomings and becomes a taijutsu master. Main article: Past Arc: The Locus of Konoha. Neji used his Byakugan to find the seals keeping the barrier in place and directed the locations of them to the rest of the team. After the beast went berserk, he and the others retreated, carrying an unconscious Ino to shore.
However, I don't remember reading anything about Rock Lee's family, and I can't find anything on the Naruto Wiki.
Later, he battled alongside Tenten against Guren and Rinji on the lake while Team Three tried to seal the Three-Tails. Please do correct me if I am wrong. Main articles: Naruto Shinden: Parent and Child Day and Parent and Child Day Arc. https://boruto.fandom.com/wiki/Rock_Lee?oldid=7608.