[Wilford Woodruff marriage to Emma Smooth Smith]
Emma was fifteen; Wilford was forty-six. Woodruff wrote, Wilford Woodruff & (Emma Smith born March 1st 1838 At Diahman Davis County Missouri) was sealed for time & Eternity by President Brigham Young at 7 oclock P.M. March 13 1853." Alexander writes, He probably refrained from sexual relations with Emma until she became older, since she did not bear her first child, Hyrum Smith Woodruff, until October 4, 1857, seven months after she turned nineteen." ...
After Phebe's death in 1885, Emma became Wilford's public, legal wife. She died in Salt Lake City on March 4, 1912.
[Source: Compton, Todd, 'The Wives of Wilford Woodruff', http://toddmcompton.com/WWfamilies.htm]