Matsudaira Ietada - Matsudaira Ietada

He was a military commander in the Azuchi-Momoyama period and a vassal of Tokugawa Ieyasu. His father was Itada of the Matsudaira clan of Fukozu, Mikawa Province, and his mother was the daughter of Udono Nagamochi. He inherited the family headship after his father was killed in battle at the Battle of Nagashino in 1575 (Tensho 3). He was often stationed at Makinohara Castle during the battle with Takeda Katsuyori over Takatenjin Castle in Totomi Province. He later participated in the attack on the Takeda clan of Kai in 1582, the Battle of Komaki and Nagakute in 1584, and the attack on the Hojo clan of Odawara in 1590. In the same year, when Ieyasu was transferred to the Kanto region, he was given Oshi Castle in Musashi Province with a fief of 10,000 koku, and later Kajiro Castle and Omigawa Castle in Shimousa Province. In 1599 (Keicho 4), he was ordered to defend Fushimi Castle, and in July of the following year, he was killed in battle during a prelude to the Battle of Sekigahara, when attacked by the Western Army. He excelled in civil engineering techniques such as the construction of moats and stone walls, and his "Ietada Diary," which covers the period from October 1577 (Tensho 5) to December 1594 (Bunroku 3), is a fundamental historical document of this period.

[Takanari Honda]

"Takeuchi Rizou (ed.), "Supplementary and Revised Collection of Historical Materials, Vol. 19" (1979, Rinkawa Shoten)" ▽ "Matsudaira Ietada Diary" by Morimoto Masahiro (1999, Kadokawa Shoten) " ▽ "The Final Article of the Ietada Diary" by Oshima Seiko (included in "V & V 16")"

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

安土桃山時代の武将で、徳川家康の家臣。父は三河国深溝(ふこうず)松平氏の伊忠(これただ)、母は鵜殿長持(うどのながもち)の娘。1575年（天正3）の長篠(ながしの)合戦のおりに父が戦死して家督を継ぐ。遠江国(とおとうみのくに)高天神城(たかてんじんじょう)をめぐる武田勝頼との攻防では、しばしば牧野原城(まきのはらじょう)に在番した。その後も、1582年の甲斐武田氏攻め、1584年の小牧・長久手の戦い、1590年の小田原北条氏攻めなどに従軍する。同年家康の関東転封(てんぽう)により、武蔵国忍城(おしじょう)1万石に封ぜられ、下総国(しもうさのくに)上代城(かじろじょう)、同小見川城(おみがわじょう)と変わった。1599年（慶長4）に伏見城の守備を命ぜられ、翌年7月、関ヶ原の合戦の前哨戦で西軍の攻撃を受けて戦死した。堀や石垣普請など土木技術に優れ、1577年（天正5）10月から1594年（文禄3）12月までが残されている『家忠日記』は、この時代の基本史料である。

［本多隆成］

『竹内理三編『増補　続史料大成　第19巻』（1979・臨川書店）』▽『盛本昌広著『松平家忠日記』（1999・角川書店）』▽『大嶌聖子著「『家忠日記』の末尾記事」（『ぶい＆ぶい16』所収）』

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