| Last names ending in -ин or -ов have the following forms. Note that the masculines are inflected like nouns, except for the Instrumental, which has an adjectival ending (-ым); the feminines and plurals are inflected like special adjectives. | 
			
	
		| 
			
				
					|  | Masc. | Fem. | Plural | Masc. | Fem. | Plural |  
					| N. | Ильќн | Ильинђ | ИльинІ | Петрћв | Петрћва | Петрћвы |  
					| A. | Ильинђ | Ильинџ | ИльинІх | Петрћва | Петрћву | Петрћвых |  
					| G. | " | Ильинћй | " | " | Петрћвой | " |  
					| P. | Ильинљ | " | " | Петрћве | " | " |  
					| D. | Ильинџ | " | ИльинІм | Петрћву | " | Петрћвым |  
					| I. | ИльинІм | " | ИльинІми | Петрћвым | " | Петрћвыми |  | 
			
	
		| Recall that there are also names like Толстћй, Достољвский, etc., which are inflected like ordinary adjectives. |