"Cavalier poets" belonged to -

Cavalier poet, any of a group of English gentlemen poets, called Cavaliers because of their loyalty to Charles I (1625–49) during the English Civil Wars, as opposed to Roundheads, who supported Parliament.
As we know, the "Caroline Period" is named after the name of King Charles -1.
This group included -
- Richard Lovelace
- Sir John Suckling
- Robert Herrick
- Thomas Carew.

These poets are also called the son of Ben as thew were the admirers and followers of Ben Jonson.

Source: Britannica.com