Who is the richest family in South Korea?

Could you please elaborate on the question, "Who is the richest family in South Korea?" I'm particularly interested in understanding the criteria used to determine their wealth, as well as any notable individuals or businesses associated with this family. Additionally, I'm wondering if their wealth has fluctuated over time and what factors might have contributed to any changes. Furthermore, how does this family's wealth compare to other wealthy families globally? Lastly, are there any public opinions or discussions surrounding this family's wealth and its influence in South Korea? Thank you for your assistance in clarifying this matter.