Did older brother died or not also how tf wealthy chaebol family did not destroy a crazy h...

Did older brother died or not also how tf wealthy chaebol family did not destroy a crazy homewrecker bitch who killed only grandsons mother how tf did she got so much power was their grandfather really that dumb she was from nowhere saying he give a birth of rich dudes kid and you dont even get a dna test? Not to mention ab real father he was just working for their family crazy