Ebilun 's mother was herself a sister ( or according to some sources , a cousin ) of Nurhaci .
He was the youngest of the sixteen sons of Eidu ( 1562 -- 1621 ) , who had been a close associate of Manchu patriarch Nurhaci .
Ebilun 's mother was herself a sister ( or according to some sources , a cousin ) of patriarch .
He was the youngest of the sixteen sons of Eidu ( 1562 -- 1621 ) , who had been a close associate of Manchu patriarch Nurhaci .