perform the duty # 05_DEU_25_05  If brethren dwell together, and one of them die, and have no child, the wife of the dead shall not marry without unto a stranger_ her husband's brother shall go in unto her, and take her to him to wife, and perform the duty of an husband's brother unto her. ## If brethren dwell together, and one of them die, and have no child, the wife of the dead shall not marry without unto a stranger: her husband's brother shall go in unto her, and take her to him to wife, and perform the duty of an husband's brother unto her. 
perform the duty # 05_DEU_25_07  And if the man like not to take his brother's wife, then let his brother's wife go up to the gate unto the elders, and say, My husband's brother refuseth to raise up unto his brother a name in Israel, he will not perform the duty of my husband's brother. ## And if the man like not to take his brother's wife, then let his brother's wife go up to the gate unto the elders, and say, My husband's brother refuseth to raise up unto his brother a name in Israel, he will not perform the duty of my husband's brother.