[he] began to frequent the Rostovs’ as Natasha’s affianced lover.
Leo Tolstoy. War and Peace: 06 (Book Six)
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when Herbert had told me that his affianced already knew me by reputation and that I should be presented to her,
Charles Dickens. Great Expectations (1861)
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With all the heart of her she longs to be his only, his affianced bride for riches for poor, in sickness in health, till death us two part, from this to this day forward.