Mark 12:19
"Master, Moses wrote unto us, If a man’s brother die, and leave his wife behind him, and leave no children, that his brother should take his wife, and raise up seed unto his brother."
Cross References (ranked by relevance)
Ruth 4:5
Then said Boaz, What day thou buyest the field of the hand of Naomi, thou must buy it also of Ruth the Moabitess, the wife of the dead, to raise up the name of the dead upon his inheritance.
Genesis 38:8
And Judah said unto Onan, Go in unto thy brother’s wife, and marry her, and raise up seed to thy brother.