Deuteronomy 25:5

  5 H3588 If H251 brothers H3427 dwell H3162 together, H259 and one H4191 of them die, H369 and have no H1121 child, H802 the wife H4191 of the dead H1961 shall not marry H376 H2351 without H376 to a stranger: H2114 H2993 her husband’s H2993 brother H935 shall go H3947 in to her, and take H802 her to him to wife, H2992 and perform the duty of an husband’s H2992 brother to her.