What is the relationship between Kublai Khan and Genghis Khan in Yuan Shizu?

The relationship between Kublai Khan and Genghis Khan, Kublai Khan is the fourth son of Temujin and the third son of Tuo Lei. Kublai Khan is the grandson of Genghis Khan. It can also be said that Kublai Khan is the successor of Genghis Khan. He fulfilled Genghis Khan's unfinished wish, that is, to unify the land of the Central Plains. Kublai Khan inherited the legacy of his grandfather Genghis Khan, destroyed Dali before he ascended the throne, destroyed the Southern Song Dynasty after he ascended the throne, unified the whole country and established the Yuan Dynasty. He was the ancestor of the Yuan Dynasty (or the first emperor of the Yuan Dynasty).

Eight years after he ascended the throne (1258), Mongo led his troops to attack the Song Dynasty, leaving his younger brother Ali Bug in Hala and Lin and ordering his younger brother Kublai Khan to attack Ezhou (Wuchang, Hubei). But in July of the following year, he died in Fishing City (Hechuan East, Sichuan). He thought that Mongolian soldiers were brave and invincible in the world, and that the Southern Song Dynasty would soon surrender their treasures, and then they could return to the north. Based on this consideration, he didn't make any arrangements for the future.

Kublai Khan (1215-1294) in Borzijit Banner, namely Yuan Shizu, Mongolian, politician and strategist. Yuan Xianzong, Torre's fourth son, was the supervisor of the country. The last Khan of Mongolia was also the first emperor of the Yuan Dynasty. Mongolian is honored as "Snow Zen Khan".