On 27 February 1654, Strafford married Lady Henriette Mary Stanley, the daughter of James Stanley, 7th Earl of Derby and Charlotte de la Tremoüille, Countess of Derby.
February 1654, Strafford married Lady Henriette Mary Stanley, 7th Earl of Derby and Charlotte de la Tremoüille. This was on 27. Charlotte de la Tremoüille was Countess of Derby. Lady Henriette Mary Stanley was the daughter of James Stanley.