 Ha ' K 'in Xook , who has also been referred to as Ruler 6 , was likely the son of Itzam K 'an Ahk II , based on a translation of Stela 23 . According to both Simon Martin and Nikolai Grube , as well as Johnson , Ha ' K 'in Xook 's name translates to " Water Sun Shark " . Of note , his name does not feature a turtle glyph , a feature found in all the previous rulers of Piedras Negras , as well as his successor . He ascended the throne on February 14 , 767 AD ( 9 @.@ 16 @.@ 16 @.@ 0 @.@ 4 , 7 K 'an 17 Pop in the Long Count ) , following the death of his brother Yo 'nal Ahk III . Ha ' K 'in Xook 's kingship of Piedras Negras had originally been overlooked by Tatiana Proskouriakoff , who instead assigned the title Ruler 6 to a misidentified sajal — or Maya leader — of La Mar. 
 Ha ' K 'in Xook , <a href='null_relcl' title='1'><mark>who</mark></a><a href='been_done' title='2'><mark>has</mark></a> also been referred to as Ruler 6 , was likely the son of Itzam K 'an Ahk II , based on a translation of Stela 23 . According to both Simon Martin and Nikolai Grube , as well as Johnson , Ha ' K 'in Xook <a href='null_genetive' title='3'><mark>'s</mark></a>name <a href='uninflect' title='4'><mark>translates</mark></a> to " Water Sun Shark " . Of note , his name <a href='uninflect' title='5'><mark>does</mark></a> not feature <a href='None' title='6'><mark>a</mark></a><a href='negative_concord' title='7'><mark>turtle</mark></a> glyph , <a href='None' title='8'><mark>a</mark></a><a href='negative_concord' title='9'><mark>feature</mark></a> found in all the previous rulers of Piedras Negras , as well as his successor . He ascended the throne on February 14 , 767 AD ( 9 @.@ 16 @.@ 16 @.@ 0 @.@ 4 , 7 K 'an 17 Pop in the Long Count ) , following the death of his brother Yo 'nal Ahk III . Ha ' K 'in Xook <a href='null_genetive' title='10'><mark>'s</mark></a>kingship of Piedras Negras <a href='been_done' title='11'><mark>had</mark></a> originally been overlooked by Tatiana Proskouriakoff , <a href='null_relcl' title='12'><mark>who</mark></a>instead assigned the title Ruler 6 to a misidentified sajal — or Maya leader — of La Mar. 
Ha ' K 'in Xook , done also been referred to as Ruler 6 , was likely the son of Itzam K 'an Ahk II , based on a translation of Stela 23 . According to both Simon Martin and Nikolai Grube , as well as Johnson , Ha ' K 'in Xook  name translate to " Water Sun Shark " . Of note , his name do not feature no turtle glyph , no feature found in all da previous rulers of Piedras Negras , as well as his successor . He ascended tdathrone on February 14 , 767 AD ( 9 @.@ 16 @.@ 16 @.@ 0 @.@ 4 , 7 K 'an 17 Pop in the Long Count ) , following thdaeath of his brother Yo 'nal Ahk III . Ha ' K 'in Xook  kingship of Piedras Negras done originally been overlooked by Tatiana Proskouriakoff , instead assigned thedatle Ruler 6 to a misidentified sajal — or Maya leader — of La Mar.