An interesting and revealing short article on him in 41. Essentially, he was a loser. Went into the army with great prospects but accomplished nothing, and eventually blew his fortune by gambling (unsuccessfully of course) on horses. As 41 says “...his subsequent career on the Turf was unpropitious”.

According to 41, she was “the beautiful eldest daughter of Henry, 2nd Marquis of Anglesey, who was born on May 13th, 1820, and had been one of the twelve train-bearers of Queen Victoria at her wedding in 1840.”

She died after only a year or so of marriage, tragically young.