From Longman Dictionary of Contemporary Englishmarry into something phrasal verbMARRYto join a family or social group by marrying someone who belongs to it She married into a very wealthy family. → marry→ See Verb table
Examples from the Corpus
marry into • The kind of family she's married into.• It's not as easy as it looks, marrying into a fortune.• Instead of marrying into comfort, Rose joined the Domimcans as a tertiary.• Three of his daughters by Elizabeth married into families holding the earldoms of Suffolk, Lincoln, and Rutland.• I have not inherited, married into or otherwise acquired millions of dollars.• Claricia Scotti had married into the Contis of Segni, small landowners in the Anagni region to the south-east of Rome.• But Aye was a commoner and could not become pharaoh without marrying into the royal family.• When Kerensa marries into the wealthy St. 