Looking for Descendants of John Ballantyne

Looking for all descendants of John BALLANTYNE and Janet Turnbull Ballantyne, both of whom lived, with their family, in Scotland; and sailed from Liverpool, England, on the chartered ship "Tyrean," with their family, on September 21, 1841, landing at New Orleans. Book documenting this journey is at:

http://www.mormonhistoricsitesfoundation.org/publications/studies_spring2004/MHS_Spring_2004%20Tyrian%20and%20Its%20Mormon%20Passengers.pdf