The English royal house (a branch of the Plantagenet line) that reigned from 1461 to 1485; its emblem was a white rose WordNet 3.0 & Open English WordNet

The House of York was a cadet branch of the English royal House of Plantagenet. Wikipedia

A dynasty of English kings in the 15th century Wikipedia Disambiguation

Cadet branch of the English royal House of Plantagenet Wikidata

The House of York, a dynasty of English kings and one of the opposing factions involved in the 15th century Wars of the Roses. The name comes from the fact that its members were descended from Edmund of Langley, 1st Duke of York; their symbol was a white rose. Wiktionary

House of York. Wiktionary (translation)