Gamō Ujisato Early life . Ujisato , known in his childhood as , was born in Hino , in the Gamō district of Ōmi Province in 1556 . In 1568 , Oda Nobunaga , who was en route to Kyoto , defeated the Rokkaku clan , who were the masters of Tsuruchiyo ' s father , . Upon the Rokkaku clan ' s defeat , Katahide as a former influential vassal , pledged loyalty to Nobunaga , and became an Oda retainer . However , the price of Katahide ' s pledge was giving up his son as a hostage , and so Tsuruchiyo was taken to Gifu , then the Oda clan ' s headquarters . Tsuruchiyo ' s sagacity impressed Nobunaga , and soon , the young man had his manhood rite in Gifu , taking the name . In the summer of 1569 , Utahide took part in his first campaign , during Nobunaga ' s subjucation of Kitabatake Tomomasa of Kizukuri Castle . For his distinction in battle , Nobunaga gave his daughter Fuyuhime in marriage to Utahide , affectionately referring to Utahide as " my little son - in - law . " At the same time , he was allowed to return to his father ' s castle at Hino . Though Fuyuhime was still young at this point , she is said to have later matured into a stunningly beautiful woman . Major campaigns under Nobunaga . In 1570 , Utahide fought at the Battle of Anegawa , and later that same year , joined his father in the Oda assault on the Asakura clan of Echizen Province . The two led a force of 1 , 000 men as the vanguard of Shibata Katsuie ' s army . The total number of men under Katsuie ' s overall command at that battle totaled 5 , 000 . Of those 5 , 000 , the number under Katsuie ' s command totaled 600 , so this may give some impression of the importance of the Gamō family . Following the betrayal of Azai Nagamasa , Utahide assisted in Nobunaga ' s withdrawal by taking him into his own Hino Castle , and facilitating his escape to Gifu from there . In recognition of this feat , Nobunaga gave Utahide and his father a stipend increase , and posted them to southern Omi , under the command of Shibata Katsuie . The Gamō would see action against the Asakura once more , in 1573 . In 1575 , upon Katsuie ' s posting to Kitanoshō Castle , the Gamō , ruling from their castle at Hino , came under Nobunaga ' s direct command , serving as hatamoto . That year , Utahide fought at the Battle of Nagashino . Nobunaga ' s assassination and Hideyoshi ' s rise . When Nobunaga was assassinated in 1582 , Utahide was with his father , who had been posted as warden of Azuchi Castle . Together , the two sheltered Nobunaga ' s wife and children in Hino Castle , saving their lives . In the same year , Utahide submitted to Hashiba Hideyoshi . The following year , he joined Hideyoshi ' s attack on Takigawa Kazumasu , as well as the Battle of Shizugatake , and received the title of . In this year , his son Tsuruchiyo ( Gamō Hideyuki ) was born . Following his siege of Oda Nobukatsu during the Battle of Komaki and Nagakute in 1585 , he received Matsusaka , in the southern section of Ise Province , as his fief ( rated at 120 , 000 " koku " ) . ( The main castle of this fief was . ) . After taking part in the subjugation of Kii Province in 1585 , Utahide took the name of " Ujisato . " Soon after , due to the influence of Takayama Ukon , he received a Christian baptism in Osaka , and took the baptismal name of Leo . Career under Hideyoshi , and later life . In 1588 , construction was completed on , where he immediately moved . Ujisato took part in all of Hideyoshi ' s subsequent campaigns : the Siege of Odawara ( 1590 ) , the pacification of Ōshū ( Mutsu and Dewa Province s ) ( 1590 ) , and the Japanese invasions of Korea . For his role in the pacification of Ōshū , he received a 420 , 000 " koku " fief with its headquarters at Kurokawa Castle in Aizu . He renamed the castle Wakamatsu , the name which even the town retains to this day . In preparation for the Japanese invasions of Korea , Ujisato proceeded in 1592 to Hideyoshi ' s base in Nagoya in Hizen Province . He fell ill there , coughing up blood in early 1593 . From Nagoya , he headed first to Aizu , and then to Fushimi , where the Gamō family ' s mansion was almost complete . Hideyoshi himself would visit the mansion twice after its completion Ujisato died at age 40 , at Fushimi Castle . Though his family would lose Aizu soon after with Hideyuki ' s transfer to Utsunomiya , the Gamō would later be returned to Aizu by Tokugawa Ieyasu .