<0xBC> <0x89> 遠 , ▁ 1 7 3 0 – 1 7 9 2 ). ▁His ▁el dest ▁brother ▁Y ak - h ye on ▁( 若 <0xE9> <0x89> <0x89> , ▁ 1 7 5 1 – 1 8 2 1 ) ▁was ▁the ▁son ▁of ▁a ▁first ▁wife , ▁while ▁Je ong ▁Y ak - j ong ▁( 若 <0xE9> <0x8D> <0xBE> , ▁ 1 7 6 0 – 1 8 0 1 ), ▁Y ak - je on ▁( 若 <0xE9> <0x8A> <0x93> , ▁ 1 7 5 8 – 1 8 1 6 ), ▁and ▁Y ak y ong ▁were ▁the ▁sons ▁of ▁their ▁father ' s ▁second ▁wife , ▁Su k - in ▁( <0xE6> <0xB7> <0x91> 人 , ▁ 1 7 3 0 – 1 7 7 0 ) ▁from ▁the ▁Ha en am ▁Y un ▁ <0xE5> <0xB0> <0xB9> ▁family . ▁There ▁was ▁one ▁daughter ▁from ▁this ▁second ▁marriage . ▁Four ▁other ▁daughters ▁were ▁later ▁born ▁of ▁a ▁third ▁marriage . ▁ ▁Das an ' s ▁father ' s ▁family ▁trac ed ▁their ▁descent ▁back ▁to ▁Je ong ▁Ja - ge up ▁( 丁 子 <0xE4> <0xBC> <0x8B> , ▁ 1 4 2 3 – 1 4 8 7 ) ▁who ▁in ▁ 1 4 6 0 ▁first ▁took ▁a ▁government ▁position ▁under ▁King ▁Se jo . ▁E ight ▁further ▁gener ations ▁then ▁followed ▁his ▁example . ▁Je ong ▁Si - y un ▁( 丁 時 <0xE6> <0xBD> <0xA4> , ▁ 1 6 4 6 – 1