Click image for larger version. 

Name:	CYDTWP28LV7121UJ.png 
Views:	84 
Size:	25.4 KB 
ID:	120568
From Gol Mod tomb Ancient DNA and informant from unpublished 甲 shaped grand tomb,I can confirm Xiongnu Chanyu is R-Y174827,Subclade of R1a-Z93,The only direct descendant of Chanyu is Hakka Chinese family Zheng,After battle of mobei,Han dynasty transport surrendered Chanyu to Han territories.They probably came from that.