sentences:  After this encounter, however, Alexander did advise his brother to be more discreet and exiled Catherine Chislova to Wenden, near Riga in 1875.Grand Duke Nicholas managed to have Chislova returned and had her installed with their illegitimate children in the Crimea.During the Russian-Turkish War, 1877–1878, Grand Duke Nicholas Nikolaievich commanded the Russian army of the Danube while Alexandra organized a sanitary unit at her own expense.