was a Japanese ''
daimyō
were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and nominall ...
'' of the
Sengoku period
The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615.
The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...
(1467–1603) who ruled a part of
Echizen Province
was a province of Japan in the area that is today the northern portion of Fukui Prefecture in the Hokuriku region of Japan. Echizen bordered on Kaga, Wakasa, Hida, and Ōmi Provinces. It was part of Hokurikudō Circuit. Its abbreviated for ...
in present-day
Fukui Prefecture
is a prefecture of Japan located in the Chūbu region of Honshū. Fukui Prefecture has a population of 778,943 (1 June 2017) and has a geographic area of 4,190 km2 (1,617 sq mi). Fukui Prefecture borders Ishikawa Prefecture to the north, ...
. He was a regent of
Ashikaga Shogunate
The , also known as the , was the feudal military government of Japan during the Muromachi period from 1336 to 1573.Nussbaum, Louis-Frédéric. (2005)"''Muromachi-jidai''"in ''Japan Encyclopedia'', p. 669.
The Ashikaga shogunate was establi ...
. Yoshikage's conflicts with
Oda Nobunaga
was a Japanese ''daimyō'' and one of the leading figures of the Sengoku period. He is regarded as the first "Great Unifier" of Japan.
Nobunaga was head of the very powerful Oda clan, and launched a war against other ''daimyō'' to unify ...
(1534–1582) resulted in his death and the destruction of the
Asakura clan
The is a Japanese kin group. Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d'histoire et de géographie du Japon''; Papinot, (2003).html" ;"title="DF 7 of 80">"Asakura", ''Nobiliare du Japon'', p. 3 _and_its_ ">DF_7_of_80">"Asa_...
_and_its_Japanese_castle">castle
_
A_castle_is_a_type_of_fortified_structure_built_during_the_Middle_Ages_predominantly_by_the_nobility_or_royalty_and_by__military_orders._Scholars_debate_the_scope_of_the_word_''castle'',_but_usually_consider_it_to_be_the_private__fortified_r_...
,_Ichijōdani_Asakura_Family_Historic_Ruins.html" ;"title="Japanese_castle.html" "title="DF 7 of 80/nowiki>">DF 7 of 80">"Asa ...