I found a marriage for Robert and Marianna - with lots of unusual detail!
At camp, near Deesa, 27 June 1859
Robert Renny, age 26, widower of the late Catherine Butler; Bombardier, 1st Troop HA, parents John & Ellen Renny.
Marianna Coody aged 13 years and 7 months, the girl of HM's 33rd Regiment, parents Michael & Anne Coody.