To Althea, from Prison Trivia

Richard Lovelace was friends with a number of other famous poets, including Andrew Marvell and Sir John Suckling. (Source.)

Richard Lovelace was once quite wealthy, but he died in poverty. Bummer. (Source.)

Lovelace was imprisoned in Gatehouse Prison. Sir Walter Raleigh and Samuel Pepys, the famous diarist, both also did time there. (Source.)

The woman referred to as Althea reportedly married another man when she received (false) information that Lovelace had been killed in battle. Tragic stuff. (Source.)