Lukas 20:27-28

27 And some of the Tzedukim—the Tzedukim are the ones speaking against the Techiyas HaMesim, who say there is none—approached Rebbe, Melech HaMoshiach. They set a she’elah (question) before him,

28 Saying, Rabbi, Moshe Rabbenu laid it down in writing to us, if someone’s ach dies and has an isha, and UVEN EIN LO (and there is no son to him), that he should take the almanah of his ach and he should raise up a zera (seed) to his ach. [Dt 25:5]