张老汉名天宇,68岁那年,老伴得脑出血去世,老伴死后,子女们放弃了对母亲遗产的继承,一套价值70万元的楼房中属于老伴的部分等遗产全部归了张老汉。数年后,张老汉与李某结婚。张老汉时年73岁,大李某20多岁,且患有高血压、脑供血不足、风湿性心脏病等多种疾病。担心一旦自己走了,老伴的生活无着落,于是张老汉写了一份遗嘱。遗嘱的内容为: Zhang Tianyu name Tianyu, 68 years old, his wife died of cerebral hemorrhage, his wife died, the children gave up on the inheritance of her mother's heritage, a set of worth 700000 yuan in the building belonging to his wife and other belong to the legacy of Zhang old man . A few years later, Zhang old married with Lee. Zhang old man at the age of 73 years old, big Lee more than 20 years old, and suffering from high blood pressure, cerebral insufficiency, rheumatic heart disease and other diseases. Worried about his own life gone, his wife's life without landing, so Zhang wrote an old man's will. The content of the will is: