Changes

He served in a notable capacity at the [[Battle of Anegawa]] (along with [[Honda Tadakatsu]] providing an attack on the flank of the Asai forces dangerously pressing [[Oda Nobunaga]]) and was present at [[Battle of Nagashino|Nagashino]], helping to defeat [[Naito Masatoyo]].  He was present at the [[Battle of Mikagahara]], the [[Battle of Nagashino]], and the capture of [[Takatenjin Castle]].

He served in a notable capacity at the [[Battle of Anegawa]] (along with [[Honda Tadakatsu]] providing an attack on the flank of the Asai forces dangerously pressing [[Oda Nobunaga]]) and was present at [[Battle of Nagashino|Nagashino]], helping to defeat [[Naito Masatoyo]].  He was present at the [[Battle of Mikagahara]], the [[Battle of Nagashino]], and the capture of [[Takatenjin Castle]].

During the [[Komaki Campaign]] ([[1584]]) Yasumasa wrote up a statement attacking [[Toyotomi Hideyoshi]] and calling on support for the cause of [[Oda Nobuo]] and later accompanied Ieyasu to Osaka to meet with Hideyoshi himself ([[1586]]). During this trip he was awarded with the honorific title ''Shikibu-taiyu''. In [[1590]] he participated in the [[Odawara Campaign]]. Following Ieyasu's move to the Kanto Region that same year, Sakikabara was given the castle of Tatebayashi and made the head of a committee responsible with assigning fiefs. While Ieyasu was away on Kyushu during Hideyoshi's Korean Campaigns Sakakibara acted as one of [[Tokugawa Hidetada]]'s councilors.  When the Sekigahara Campaign began in 1600, Yasumasa was assigned to [[Tokugawa Hidetada]]'s army and was thus present for the siege of [[Ueda castle|Ueda Castle]] in Shinano Province.  He was afterwards given a 100,000-koku fief at [[Tatebayashi]] in [[Kozuke province|Kozuke Province]].

During the [[Komaki Campaign]] ([[1584]]) Yasumasa wrote up a statement attacking [[Toyotomi Hideyoshi]] and calling on support for the cause of [[Oda Nobuo]] and later accompanied Ieyasu to Osaka to meet with Hideyoshi himself ([[1586]]). During this trip he was awarded with the honorific title ''Shikibu-taiyu''. In [[1590]] he participated in the [[Odawara Campaign]]. Following Ieyasu's move to the Kanto Region that same year, Sakikabara was given the castle of Tatebayashi and made the head of a committee responsible with assigning fiefs. While Ieyasu was away on Kyushu during Hideyoshi's [[Korean Invasions|Korean Campaigns]] Sakakibara acted as one of [[Tokugawa Hidetada]]'s councilors.  When the Sekigahara Campaign began in 1600, Yasumasa was assigned to [[Tokugawa Hidetada]]'s army and was thus present for the siege of [[Ueda castle|Ueda Castle]] in Shinano Province.  He was afterwards given a 100,000-koku fief at [[Tatebayashi]] in [[Kozuke province|Kozuke Province]].

He died at Tatebayashi in the 5th month of 1606.

He died at Tatebayashi in the 5th month of 1606.