Deuteronomy 25:5
TSK
If brethrenH251 dwellH3427 together,H3162 and oneH259 of them die,H4191 and have no son,H1121 the wifeH802 of the deadH4191 shall not be married withoutH2351 unto a stranger:H376 her husband's brotherH2993 shall go inH935 unto her, and takeH3947 her to him to wife,H802 and perform the duty of a husband's brotherH2992 unto her.