His son, Tseng Tzu-fan, is currently the only person in Taiwan with 3-hydroxy-3-methylglutaryl-CoA lyase deficiency, an inborn error of leucine metabolism. The protein in his diet has to be strictly controlled, or he will have seizures and go into a coma.
曾敏傑的兒子曾子凡是目前台灣唯一的白胺酸代謝異常患者，必須嚴格管制含蛋白質類的食品，否則會痙攣、昏迷。