Daià ¡an (Manchu: ; 19 August 1583 – 25 November 1648) was an influential Manchu prince and statesman of the Qing dynasty.
Daià ¡an was born in the Manchu Aisin Gioro clan as the second son of Nurhaci, the founder of the Qing dynasty. His mother was Nurhaci's first consort, Lady Tunggiya (ä½Âä½³æ°Â). He was an older half-brother of Nurhaci's successor, Hong Taiji.
During Nurhaci's campaign against the Ula clan and its beile Bujantai in 1607, Daià ¡an distinguished himself on the battlefield by assisting à  urhaci and Cuyen. For his efforts, he was granted the title of "Guyen Baturu" () (literally: "exploring hero").
In 1613, Daià ¡an again distinguished himself on the battlefield in Nurhaci's campaign against the Ula clan.
In 1616, when Nurhaci declared himself khan and established the Later Jin dynasty, Daià ¡an was the first selected as beile of a special rank by Nurhaci to assist in administration. These four beile would be known as the Four Senior Beiles the other places being filled by Amin, Manggà «ltai, and Hong Taiji .
From 1618, when the campaign against the Ming dynasty began with the pronouncement of the Seven Grievances by Nurhaci, until 1622 Daià ¡an was a leading general and as captain of the Plain Red Banner of the Eight Banners, played an important role in the capture of Fushun in 1618, in the victory at the Battle of Sarhà « in 1619, and in the occupation of Shenyang in 1621. Starting in 1621 Daià ¡an and the other three senior beiles served as assistants to Nurhaci on a monthly rotational basis in directing state affairs of the Later Jin dynasty.
After the death of Nurhaci at the Battle of Ningyuan in 1626, Daià ¡an was able to use his influence to make the princes and generals come to an agreement on Hong Taiji's accession as khan. However even though Hong Taiji had become khan, Daià ¡an, along with Manggà «ltai and Amin continued to take turns as assistant administrators until 1629 as Hong Taiji began to consolidate power.
Between 1629 and 1634, Daià ¡an took part in most of the campaigns of Hong Taiji against the Ming dynasty. In 1636, Hong Taiji declared himself emperor and renamed the Later Jin dynasty to "Qing dynasty". Daià ¡an was conferred the title of "Prince Li of the First Rank" (Ã¥ÂÂ碩禮親çÂÂ) and an additional title of "Elder Brother" (å Â).
In 1643, Hong Taiji died and a successor was not named. At first, Daià ¡an named Hong Taiji's eldest son Hooge as the heir, but the latter declined the offer to succeed his father. Ajige and Dodo wanted Dorgon to take the throne, but Dorgon declined on the grounds that acceptance would be an act of disloyalty to the late emperor, who raised him. The issue was finally settled when many generals who followed Hong Taiji into battle declared that they wanted one of Hong Taiji's sons on the throne. As such, Hong Taiji's ninth son Fulin (the future Shunzhi Emperor), then at the age of six, was proclaimed emperor, with Dorgon and Jirgalang acting as co-regents. Yet even after the entire Qing court had sworn an oath of allegiance to the throne, and there was a conspiracy by some nobles to let Dorgon replace Fulin. Daià ¡an settled the dispute by supporting Fulin and exposing the conspirators, which included his own son à  oto and his grandson Adali (eldest son of Sahaliyen). Dorgon and Daià ¡an had them both executed.
According to historical records, it seemed that Daià ¡an never attempted to seize power for himself, and instead worked for the benefits of the Aisin Gioro clan. In 1643, he led a council of princes to appoint Jirgalang and Dorgon as co-regents for the Shunzhi Emperor. In 1644, he followed Dorgon to Beijing, where he died four years later.
At the time of his death, special posthumous honours were not awarded to him, except that the sum of 10,000 taels instead of the usual 5,000 was given to his family for his funeral and a memorial tablet was erected. Later emperors of the Qing dynasty would come to recognise and appreciate the work he did for the dynasty and the imperial clan. The Kangxi Emperor awarded Daià ¡an a posthumous name, "Lie" (çÂÂ), in 1671. In 1754, the Qianlong Emperor ordered that Daià ¡an be given a place in the Temple of Princes at Mukden and in 1778, lauded him and Jirgalang, Dorgon, Hooge and Yoto for their illustrious accomplishments in the early days of the dynasty and ordered that their names be listed in the Imperial Ancestral Temple.
At the same time the titles of these five, as well as those of Dodo, à  urhaci, and Lekedehun, were given rights of perpetual inheritance. The designation of Daià ¡an's title, which, after his death, had been twice altered under his son Mandahai and grandson Giyesu, was then restored to Prince Li, and the inheritor ranked higher in court ceremonies than any other prince.
Daià ¡an had a total of eight sons. The seventh, Mandahai, inherited the rank of Prince of the First Rank, which was passed to his son. However, in 1659 the princedom was taken from Mandahai's descendants and given to Daià ¡an's grandson, Giyesu, whose descendants held it until the fall of the Qing dynasty.
The eldest son, Yoto, was granted the title of "Prince Keqin of the Second Rank" (å Âå¤é¡çÂÂ) and the third, Sahaliyen, held the rank of "Prince Ying of the First Rank" (ç©Â親çÂÂ). Sahaliyen's son, Lekedehun, was named "Prince Shuncheng of the Second Rank" (é Âæ¿é¡çÂÂ) in 1648. Daià ¡an's fourth son, Wakda, held the title of "Prince Qian of the Second Rank" (è¬Âé¡çÂÂ). Wakda was canonised as Xiang (è¥Â), but this title was not accorded the right of perpetual inheritance.
Primary Consort
Secondary Consort
Concubine