Declining Names

Он

Nominative, Accusative, Genitive, Prepositional and Dative decline like nouns

Пушкина
Instrumental declines like an adjective
Пушкиным
Она Nominative and Accusative decline like nouns
Ахматову
The rest decline like adjectives.
Ахматовой
Они Only nominative declines like a noun
Каренины
The rest decline like adjectives
Карениных