And do ye abide without the camp seven days: whosoever hath killed any person, and whosoever hath touched any slain, purify [both] yourselves and your captives on the third day, and on the seventh day.
Jewish Publication Society of America Version (JPS1917) - Numbers 31:19 >And encamp ye without the camp seven days; whosoever hath killed any person, and whosoever hath touched any slain, purify yourselves on the third day and on the seventh day, ye and your captives.